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Was built to protect China frok northern invasions. Its is 5,500 miles in length. Has hills and rivers as barriers included in the wall.
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The three pyramids are about 4,500 years old. 756 feet long and 450 feet high. 2,300,000 blocks and about two and a half tons each.
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Capacity of 50,000. Used for many activities such as gladiator contests, animal hunts, re-enactments of famous battles and dramas, workshops, a fortress, a quarry, and a Christian shrine. 615 feet long and 510 feet wide.
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At 115 feet and made of marble. The top of the dome has a lotus design. 28 precious stones were invluded in the structure.
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31.4 mile undersea tunnel and reaches up to 250 miles deep. Used by Eurotunnel Shuttle vehicle transport and freight trains. Brought Europe closer to Britain.
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the longest railway in the world at 5,753 miles long. 30 percent of the countries export thravel on the railway.
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$8 miles long and connects the atlantic and pacific oceans. More then 60,000,000 pounds of dynamite was used to build the canal.
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Made of concrete and provides power for arizona, california, and nevada. 726 feet high and 1,244 feet wide at the very top. 2,480,000 cubic meters of concrete was used in total.
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First ever airport built on 100 percent man made island. Cost 20 billion us dollars. Survived a typhoon and earthquake.
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The outer edge of the archipelago is 10.5 miles and made of 7 million tons of rock. 32 hotels will be constructed on the island and feature 78 kilometers of beaches.
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tallest man-made structure ever built at 2,717 feet. Cost about 1.5 billion us dollars.163 floors meaning a total floor area of 3,331,100 square feet.
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currently is the longest over water bridge in the world, and a total length of 26.4 miles. Resistant to earthqakes under 8 on the richter scale. 450,000 tons of steel and 2.3 million cubic meters of concrete
