Will there ever be a mile-high skyscraper? - Stefan Al

2,331,904 views ใƒป 2019-02-07

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: JY Kang ๊ฒ€ํ† : Park Su Jung
00:06
In 1956,
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1956๋…„์—
00:08
architect Frank Lloyd Wright
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๊ฑด์ถ•๊ฐ€์ธ ํ”„๋žญํฌ ๋กœ์ด๋“œ ๋ผ์ดํŠธ๋Š”
00:10
proposed a mile-high skyscraper.
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1,600 m ๋†’์ด์˜ ์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ์„ ๊ณ„ํšํ–ˆ์Šต๋‹ˆ๋‹ค.
00:13
It was going to be the worldโ€™s tallest building,
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์„ธ๊ณ„์—์„œ ๊ฐ€์žฅ ๋†’์€ ๊ฑด๋ฌผ๋กœ์„œ
00:15
by a lot โ€”
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๊ทธ ๋†’์ด๊ฐ€ ์—ํŽ ํƒ‘์˜ ๋‹ค์„ฏ ๋ฐฐ์— ๋‹ฌํ•  ์ •๋„์˜€์ฃ .
00:16
five times as high as the Eiffel Tower.
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00:20
But many critics laughed at the architect,
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ํ•˜์ง€๋งŒ ์—ฌ๋Ÿฌ ๋น„ํ‰๊ฐ€๋“ค์€ ๊ทธ๋ฅผ ๋น„์›ƒ์—ˆ์Šต๋‹ˆ๋‹ค.
00:22
arguing that people would have to wait hours for an elevator,
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์—˜๋ฆฌ๋ฒ ์ดํ„ฐ๋ฅผ ํƒ€๋ ค๋ฉด ํ•œ ์‹œ๊ฐ„์€ ๊ธฐ๋‹ค๋ ค์•ผ ํ• ์ง€๋„ ๋ชจ๋ฅด๊ณ 
00:26
or worse, that the tower would collapse under its own weight.
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์ž๊ธฐ ๋ฌด๊ฒŒ๋ฅผ ๋ฒ„ํ‹ฐ์ง€ ๋ชปํ•˜๊ณ  ๋ฌด๋„ˆ์ ธ๋‚ด๋ฆด ๊ฑฐ๋ผ๋ฉด์„œ ๋ง์ด์ฃ .
00:30
Most engineers agreed,
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๋งŽ์€ ๊ณตํ•™์ž๋“ค์˜ ์ง€์ง€์™€
00:32
and despite the publicity around the proposal,
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๊ทธ ์ œ์•ˆ์„ ๋‘˜๋Ÿฌ์‹ผ ๋Œ€์ค‘์˜ ๊ด€์‹ฌ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ 
00:34
the titanic tower was never built.
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๊ทธ ๊ฑฐ๋Œ€ํ•œ ๊ฑด๋ฌผ์€ ์‹คํ˜„๋˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
00:37
But today,
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ํ•˜์ง€๋งŒ ์˜ค๋Š˜๋‚ ์—๋Š”
00:38
bigger and bigger buildings are going up around the world.
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์ „ ์„ธ๊ณ„์—์„œ ์ ์  ๋” ๋†’์€ ๊ฑด๋ฌผ๋“ค์ด ์„ธ์›Œ์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
00:41
Firms are even planning skyscrapers more than a kilometer tall,
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๊ฑด์„ค์‚ฌ๋“ค์€ ์‹ฌ์ง€์–ด 1,000 m๊ฐ€ ๋„˜๋Š” ๋†’์ด์˜ ์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ๊นŒ์ง€ ๊ณ„ํšํ•˜๊ณ  ์žˆ์ฃ .
00:46
like the Jeddah Tower in Saudi Arabia,
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์‚ฌ์šฐ๋”” ์•„๋ผ๋น„์•„์˜ ์ œ๋‹ค ํƒ€์›Œ์˜ ๊ฒฝ์šฐ๋Š”
00:48
three times the size of the Eiffel Tower.
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์—ํŽ ํƒ‘์˜ ์„ธ ๋ฐฐ๊ฐ€ ๋„˜๋Š” ๋†’์ด์ž…๋‹ˆ๋‹ค.
00:51
Very soon,
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๋จธ์ง€ ์•Š์•„
00:52
Wrightโ€™s mile-high miracle may be a reality.
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๋ผ์ดํŠธ๊ฐ€ ์ƒ๊ฐํ•œ 1,600 m์˜ ๊ธฐ์ ์ด ์‹คํ˜„๋ ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
00:56
So what exactly was stopping us
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๊ทธ๋Ÿฐ๋ฐ ์ •ํ™•ํžˆ ๋ฌด์Šจ ์ด์œ ๋กœ
00:58
from building these megastructures 70 years ago,
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70๋…„ ์ „์—๋Š” ์ด๋Ÿฐ ์ดˆ๊ฑฐ๋Œ€ ๊ตฌ์กฐ๋ฌผ์„ ์„ธ์šฐ์ง€ ๋ชปํ–ˆ๋˜ ๊ฑธ๊นŒ์š”?
01:01
and how do we build something a mile high today?
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๊ทธ๋ฆฌ๊ณ  ์ง€๊ธˆ์€ ์ด๋Ÿฐ ์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ์„ ์„ธ์šธ ์ˆ˜ ์žˆ๊ฒŒ ๋œ ์ด์œ ๋Š” ๋ญ˜๊นŒ์š”?
01:05
In any construction project,
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์–ด๋–ค ๊ฑด๋ฌผ์„ ์„ธ์šฐ๋”๋ผ๋„
01:06
each story of the structure needs to be able to support the stories on top of it.
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๊ฑด๋ฌผ์˜ ๊ฐ ์ธต์„ ์ด๋ฃจ๋Š” ๊ตฌ์กฐ๋Š”
๊ทธ ์œ„์— ๋†“์ผ ๊ตฌ์กฐ๋ฌผ์˜ ๋ฌด๊ฒŒ๋ฅผ ๋ฒ„ํ…จ์•ผ ํ•ฉ๋‹ˆ๋‹ค.
01:11
The higher we build,
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๊ฑด๋ฌผ ๋†’์ด๊ฐ€ ๋†’์•„์งˆ์ˆ˜๋ก
01:12
the higher the gravitational pressure from the upper stories on the lower ones.
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์•„๋ž˜ ์ชฝ ๊ตฌ์กฐ๋ฌผ์—๋Š” ์ค‘๋ ฅ์œผ๋กœ ์ธํ•ด ๋”์šฑ ํฐ ์••๋ ฅ์ด ๊ฐ€ํ•ด์ง€๊ฒŒ ๋˜์ฃ .
01:17
This principle has long dictated the shape of our buildings,
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์˜ค๋žซ๋™์•ˆ ์ด๋Ÿฐ ๋ฌผ๋ฆฌ ๋ฒ•์น™์— ์˜ํ•ด ๊ฑด๋ฌผ์˜ ํ˜•ํƒœ๊ฐ€ ๊ฒฐ์ •๋˜์–ด ์™”์Šต๋‹ˆ๋‹ค.
01:20
leading ancient architects to favor pyramids with wide foundations
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๊ณ ๋Œ€ ๊ฑด์ถ•๊ฐ€๋“ค์ด ๋„“์€ ๊ธฐ์ดˆ๋ฉด์„ ๊ฐ–๋Š” ํ”ผ๋ผ๋ฏธ๋“œ ํ˜•ํƒœ๋ฅผ ์„ ํ˜ธํ–ˆ๋˜ ๊ฒƒ๋„
01:24
that support lighter upper levels.
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์œ„๋กœ ๊ฐˆ์ˆ˜๋ก ๋ฌด๊ฒŒ๋ฅผ ์ค„์ผ ์ˆ˜ ์žˆ์–ด์„œ์ฃ .
01:27
But this solution doesnโ€™t quite translate to a city skylineโ€“
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ํ•˜์ง€๋งŒ ์ด๋Ÿฐ ๋ฐฉ๋ฒ•์€ ๋„์‹œ ๊ฒฝ๊ด€์— ์–ด์šธ๋ฆฌ์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
01:30
a pyramid that tall would be roughly one-and-a-half miles wide,
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1.600 m ๋†’์ด์˜ ํ”ผ๋ผ๋ฏธ๋“œ๋ผ๋ฉด ํญ์ด ์•ฝ 2,400 m๋‚˜ ๋˜์–ด์•ผ ํ•ด์„œ
01:34
tough to squeeze into a city center.
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๋„์‹ฌ์ง€์—๋Š” ๋น„์ง‘๊ณ  ๋“ค์–ด๊ฐˆ ํ‹ˆ์ด ์—†์ฃ .
01:37
Fortunately, strong materials like concrete can avoid this impractical shape.
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๋‹คํ–‰ํžˆ๋„ ์ฝ˜ํฌ๋ฆฌํŠธ ๊ฐ™์€ ํŠผํŠผํ•œ ์žฌ๋ฃŒ ๋•๋ถ„์—
๊ทธ๋Ÿฐ ๋น„ํ˜„์งˆ์ ์ธ ํ˜•ํƒœ๋Š” ํ”ผํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:42
And modern concrete blends are reinforced with steel-fibers for strength
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ํ˜„๋Œ€์— ์™€์„œ๋Š” ์ฝ˜ํฌ๋ฆฌํŠธ๋ฅผ ์ฒ ๊ทผ์œผ๋กœ ๋ณด๊ฐ•ํ•˜์—ฌ ๊ฐ•๋„๋ฅผ ๋†’์ด๊ณ 
01:47
and water-reducing polymers to prevent cracking.
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๊ฐ์ˆ˜์ œ๋ฅผ ํ˜ผ์ž…ํ•จ์œผ๋กœ์จ ๊ท ์—ด ๋ฐœ์ƒ์„ ๋ง‰์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:51
The concrete in the worldโ€™s tallest tower, Dubaiโ€™s Burj Khalifa,
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์„ธ๊ณ„์—์„œ ๊ฐ€์žฅ ๋†’์€ ์ฝ˜ํฌ๋ฆฌํŠธ ๊ตฌ์กฐ๋ฌผ์ธ ๋‘๋ฐ”์ด์˜ ๋ถ€๋ฅด์ฆˆ ํ• ๋ฆฌํŒŒ๋Š”
01:56
can withstand about 8,000 tons of pressure per square meterโ€“
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1 ํ‰๋ฐฉ ๋ฏธํ„ฐ ๋‹น ์•ฝ 8,000 ํ†ค์˜ ์••๋ ฅ์„ ๊ฒฌ๋”œ ์ˆ˜ ์žˆ์ฃ .
02:00
the weight of over 1,200 African elephants!
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๊ทธ๊ฒƒ์€ ์ฝ”๋ผ๋ฆฌ 1,200 ๋งˆ๋ฆฌ์˜ ๋ฌด๊ฒŒ์™€ ๋งž๋จน์Šต๋‹ˆ๋‹ค.
02:05
Of course, even if a building supports itself,
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๋ฌผ๋ก  ๊ฑด๋ฌผ์ด ์ž์‹ ์˜ ๋ฌด๊ฒŒ๋ฅผ ๋ฒ„ํ‹ด๋‹ค ํ•˜๋”๋ผ๋„
02:07
it still needs support from the ground.
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๋•…์ด ๊ฑด๋ฌผ์„ ๋– ๋ฐ›์น  ์ˆ˜ ์žˆ์–ด์•ผ ํ•˜์ฃ .
02:10
Without a foundation,
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๊ฑด๋ฌผ์˜ ๊ธฐ์ดˆ๊ฐ€ ์—†๋‹ค๋ฉด
02:11
buildings this heavy would sink, fall, or lean over.
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์ด๋ ‡๊ฒŒ ๋ฌด๊ฑฐ์šด ๊ฑด๋ฌผ์€ ๊ฐ€๋ผ์•‰์•„ ๋ฌด๋„ˆ์ง€๊ฑฐ๋‚˜ ๊ธฐ์šธ๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:15
To prevent the roughly half a million ton tower from sinking,
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์•ฝ 50๋งŒ ํ†ค ๋ฌด๊ฒŒ์˜ ๊ฑด๋ฌผ์ด ๊ฐ€๋ผ์•‰์ง€ ์•Š๋„๋ก ํ•˜๋ ค๋ฉด
02:19
192 concrete and steel supports called piles were buried over 50 meters deep.
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192 ๊ฐœ์˜ ์ฒ ๊ทผ ์ฝ˜ํฌ๋ฆฌํŠธ ์ง€์ง€๋ฌผ
์ฆ‰ ํŒŒ์ผ์ด๋ผ๋Š” ๊ฒƒ์„ 50 m ์ด์ƒ ๊นŠ์ด๋กœ ๋ฐ•์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.
02:27
The friction between the piles and the ground
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ํŒŒ์ผ๊ณผ ์ง€๋ฐ˜ ์‚ฌ์ด์— ์ž‘์šฉํ•˜๋Š” ๋งˆ์ฐฐ๋ ฅ์œผ๋กœ
02:29
keeps this sizable structure standing.
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์ด ์ •๋„ ํฌ๊ธฐ์˜ ๊ตฌ์กฐ๋ฌผ์„ ์„œ ์žˆ๋„๋ก ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์ด์ฃ .
02:32
Besides defeating gravity,
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๊ฑด๋ฌผ์„ ๋ˆ„๋ฅด๋Š” ์ค‘๋ ฅ์„ ์ด๊ฒจ์•ผ ํ•จ๊ณผ ๋™์‹œ์—
02:34
which pushes the building down,
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02:35
a skyscraper also needs to overcome the blowing wind,
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์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ์€ ๋ฐ”๋žŒ๋„ ๊ทน๋ณตํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
02:39
which pushes from the side.
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๊ฑด๋ฌผ์„ ์˜†์œผ๋กœ ๋ฐ€์–ด๋‚ด๋ ค๋Š” ํž˜์ด์ฃ .
02:41
On average days,
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์ผ๋ฐ˜์ ์œผ๋กœ
02:43
wind can exert up to 17 pounds of force per square meter on a high-rise buildingโ€“
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๊ณ ์ธต ๊ฑด๋ฌผ์— ๋ถ€๋Š” ๋ฐ”๋žŒ์€ ํ‰๋ฐฉ ๋ฏธํ„ฐ ๋‹น ์•ฝ 7.7 kg์˜ ํž˜์œผ๋กœ ์ž‘์šฉํ•ฉ๋‹ˆ๋‹ค.
02:49
as heavy as a gust of bowling balls.
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๋ณผ๋ง ๊ณต์„ ์„ธ๊ฒŒ ๋˜์ง€๋Š” ๊ฒƒ๊ณผ ๊ฐ™์ฃ .
02:52
Designing structures to be aerodynamic,
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์ค‘๊ตญ์˜ ๋‚ ๋ ตํ•œ ์ƒํ•˜์ด ํƒ€์›Œ์ฒ˜๋Ÿผ ๊ณต๊ธฐ์—ญํ•™์„ ๊ณ ๋ คํ•˜์—ฌ ๊ฑด๋ฌผ์„ ์„ค๊ณ„ํ•˜๋ฉด
02:54
like Chinaโ€™s sleek Shanghai Tower,
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02:57
can reduce that force by up to a quarter.
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๊ทธ ํž˜์„ 1/4๋กœ ์ค„์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:59
And wind-bearing frames inside or outside the building
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๊ทธ๋ฆฌ๊ณ  ๊ฑด๋ฌผ ๋‚ด์™ธ๋ถ€๋ฅผ ๋‚ดํ’ ๋ผˆ๋Œ€ ๊ตฌ์กฐ๋กœ ํ•˜๋ฉด
03:03
can absorb the remaining wind force,
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๊ทธ ํž˜๋งˆ์ €๋„ ํก์ˆ˜ํ•  ์ˆ˜ ์žˆ์ฃ .
03:05
such as in Seoulโ€™s Lotte Tower.
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์„œ์šธ์˜ ๋กฏ๋ฐ ํƒ€์›Œ๊ฐ€ ๊ทธ ์˜ˆ์ž…๋‹ˆ๋‹ค.
03:08
But even after all these measures,
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ํ•˜์ง€๋งŒ ์ด๋Ÿฐ ๋ชจ๋“  ๋Œ€์ฑ…์„ ์ทจํ•˜๋”๋ผ๋„
03:10
you could still find yourself swaying back and forth
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๊ฑด๋ฌผ์ด ์•ž๋’ค๋กœ ํ”๋“ค๋ฆฌ๋Š” ๊ฑธ ๋Š๋‚„ ๋•Œ๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
03:13
more than a meter on top floors during a hurricane.
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ํƒœํ’์ด ๋ถˆ ๋•Œ๋Š” ๊ฑด๋ฌผ ๊ผญ๋Œ€๊ธฐ ์ธต์—์„œ๋Š” 1 m ์ด์ƒ์ด ์›€์ง์ด๊ธฐ๋„ ํ•˜์ฃ .
03:17
To prevent the wind from rocking tower tops,
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๋ฐ”๋žŒ์— ์˜ํ•ด ๊ฑด๋ฌผ ์œ—๋ถ€๋ถ„์ด ํ”๋“ค๋ฆฌ๋Š” ๊ฒƒ์„ ๋ง‰๊ธฐ ์œ„ํ•ด
03:20
many skyscrapers employ a counterweight weighing hundreds of tons
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์—ฌ๋Ÿฌ ์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ์—๋Š” ์ˆ˜๋ฐฑ ํ†ค ๋ฌด๊ฒŒ์˜ ํ‰ํ˜•์ถ”๋ฅผ ๋‘ก๋‹ˆ๋‹ค.
03:24
called a โ€œtuned mass damper.โ€
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์ด๋ฅผ '๋™์กฐ ์งˆ๋Ÿ‰ ๊ฐ์‡ ๊ธฐ'๋ผ๊ณ  ํ•˜์ฃ .
03:28
The Taipei 101, for instance,
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์˜ˆ๋ฅผ ๋“ค์–ด, ๋Œ€๋งŒ์˜ ํƒ€์ด๋ฒ ์ด 101 ํƒ€์›Œ๋Š”
03:30
has suspended a giant metal orb above the 87th floor.
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87์ธต์— ๊ฑฐ๋Œ€ํ•œ ๊ธˆ์† ๊ตฌ์ฒด๊ฐ€ ๋งค๋‹ฌ๋ ค ์žˆ์–ด์„œ
03:34
When wind moves the building,
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๋ฐ”๋žŒ์œผ๋กœ ๊ฑด๋ฌผ์ด ์›€์ง์ด๋ฉด
03:36
this orb sways into action,
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๊ทธ์— ๋”ฐ๋ผ ๊ธˆ์†๊ตฌ๊ฐ€ ํ”๋“ค๋ฆฌ๋ฉด์„œ
03:38
absorbing the buildingโ€™s kinetic energy.
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๊ฑด๋ฌผ์˜ ์šด๋™์—๋„ˆ์ง€๋ฅผ ํก์ˆ˜ํ•˜๊ฒŒ ๋˜์ฃ .
03:41
As its movements trail the towerโ€™s,
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๊ทธ ๊ธˆ์†๊ตฌ๊ฐ€ ๊ฑด๋ฌผ์„ ๋”ฐ๋ผ ์›€์ง์ผ ๋•Œ
03:43
hydraulic cylinders between the ball and the building
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๊ธˆ์†๊ตฌ์™€ ๊ฑด๋ฌผ ์‚ฌ์ด์— ์—ฐ๊ฒฐ๋œ ์œ ์•• ์‹ค๋ฆฐ๋”๋ฅผ ํ†ตํ•ด
03:46
convert that kinetic energy into heat,
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์šด๋™์—๋„ˆ์ง€๊ฐ€ ์—ด์—๋„ˆ์ง€๋กœ ๋ฐ”๋€Œ๊ณ 
03:49
and stabilize the swaying structure.
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๊ฑด๋ฌผ์˜ ํ”๋“ค๋ฆผ์„ ์•ˆ์ •์‹œํ‚ต๋‹ˆ๋‹ค.
03:52
With all these technologies in place,
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์ด๋Ÿฐ ๋ชจ๋“  ๊ธฐ์ˆ ๋“ค์„ ํ†ตํ•ด์„œ
03:54
our mega-structures can stay standing and stable.
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๊ฑฐ๋Œ€ ๊ตฌ์กฐ๋ฌผ๋“ค์ด ์•ˆ์ •์ ์œผ๋กœ ์„œ ์žˆ์„ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:58
But quickly traveling through buildings this large is a challenge in itself.
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ํ•˜์ง€๋งŒ ์ด๋ ‡๊ฒŒ ํฐ ๊ฑด๋ฌผ ์•ˆ์—์„œ ์ด๋™ํ•˜๋Š” ๊ฒƒ ์ž์ฒด๋„ ์ˆ™์ œ์ž…๋‹ˆ๋‹ค.
04:02
In Wrightโ€™s age,
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๋ผ์ดํŠธ๊ฐ€ ํ™œ๋™ํ•˜๋˜ ์‹œ๊ธฐ์—๋Š”
04:03
the fastest elevators moved a mere 22 kilometers per hour.
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๊ฐ€์žฅ ๋น ๋ฅธ ์—˜๋ฆฌ๋ฒ ์ดํ„ฐ๋ผ ํ•˜๋”๋ผ๋„ ์†๋„๊ฐ€ ๊ฒจ์šฐ ์‹œ์† 22 km์˜€์Šต๋‹ˆ๋‹ค.
04:08
Thankfully, todayโ€™s elevators are much faster, traveling over 70 km per hour
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๋‹คํ–‰ํžˆ๋„ ์˜ค๋Š˜๋‚ ์˜ ์—˜๋ฆฌ๋ฒ ์ดํ„ฐ๋Š” ์‹œ์† 70 km ์ด์ƒ์œผ๋กœ ๋นจ๋ผ์กŒ์ฃ .
04:13
with future cabins potentially using frictionless magnetic rails
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์•ž์œผ๋กœ ๋ฏธ๋ž˜์˜ ์—˜๋ฆฌ๋ฒ ์ดํ„ฐ๋Š” ๋ฌด์ €ํ•ญ ์ž๊ธฐ๋ถ€์ƒ ๋ ˆ์ผ์„ ์ด์šฉํ•จ์œผ๋กœ์จ
04:17
for even higher speeds.
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์†๋„๊ฐ€ ๋”์šฑ ๋นจ๋ผ์งˆ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:19
And traffic management algorithms group riders by destination
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๋˜ํ•œ, ๋ชฉ์ ์ง€ ๋ณ„๋กœ ์‚ฌ๋žŒ๋“ค์„ ํ•œ๋ฒˆ์— ์ด๋™์‹œํ‚ค๋Š” ์šดํ–‰ ๊ด€๋ฆฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜์œผ๋กœ
04:23
to get passengers and empty cabins where they need to be.
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์ด์šฉ๊ฐ์ด ํ•„์š”๋กœ ํ•˜๋Š” ์ ์žฌ์ ์†Œ์— ๋นˆ ์—˜๋ฆฌ๋ฒ ์ดํ„ฐ๋ฅผ ๋ณด๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:27
Skyscrapers have come a long way since Wright proposed his mile-high tower.
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๋ผ์ดํŠธ๊ฐ€ ์ œ์•ˆํ•œ ๊ฒƒ์„ ์‹œ์ž‘์œผ๋กœ ์ดˆ๊ณ ์ธต ๊ฑด๋ฌผ์€ ์˜ค๋žœ ๊ธฐ๊ฐ„ ๋ฐœ์ „ํ•ด์™”์Šต๋‹ˆ๋‹ค.
04:32
What were once considered impossible ideas
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๋‹น์‹œ์—๋Š” ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๋˜ ๋ฐœ์ƒ๋“ค์ด
04:35
have become architectural opportunities.
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๊ฑด์ถ• ๊ธฐ์ˆ ์— ์žˆ์–ด์„œ ๊ธฐํšŒ๋กœ ์ž‘์šฉํ–ˆ๋˜ ๊ฒƒ์ด์ฃ .
04:38
Today it may just be a matter of time
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์ด์ œ ๋‚จ์€ ๊ฑด ์‹œ๊ฐ„๋ฌธ์ œ์ž…๋‹ˆ๋‹ค.
04:40
until one building goes the extra mile.
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๋†’์ด๊ฐ€ 1,600 m๋ฅผ ๋„˜๋Š” ๊ฑด๋ฌผ์„ ์„ธ์šฐ๋ ค๋ฉด ๋ง์ด์ฃ .
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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