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I Didn't Know That - Concrete Tent
- Published_at:2013-03-05
- Category:Shows
- Channel:NationalGeographic
- tags:
- description: Watch Richard Ambrose and Jonny Phillips quickly construct a building made of concrete canvas— a material that has all the elements of concrete, but is flexible enough to be turned into any shape. This technology allows people to erect permanent structures in a fraction of the time needed for traditional building techniques.
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| 2013-03-07 | 151,411 | 4,273 | 552 |
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| 2013-03-08 | 1,093,171 | 9,404 | 1,467 |
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| 2013-03-09 | 2,196,940 | 14,031 | 2,374 |
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| 2013-03-10 | 3,325,682 | 17,886 | 3,254 |
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| 2013-03-11 | 3,847,307 | 19,558 | 3,568 |
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| 2013-03-12 | 4,178,004 | 20,689 | 3,671 |
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| 2013-03-13 | 4,394,017 | 21,400 | 3,845 |
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| 2013-03-14 | 4,513,764 | 21,782 | 3,887 |
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| 2013-03-15 | 4,566,941 | 22,080 | 3,951 |
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| 2013-03-16 | 4,640,729 | 22,337 | 3,911 |
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| 2013-03-17 | 4,694,480 | 22,563 | 3,928 |
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| 2013-03-18 | 4,738,022 | 22,776 | 3,944 |
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| 2013-03-19 | 4,775,326 | 22,890 | 3,953 |
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