Most Useless Megaprojects In The World - Part 2
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Most Useless Megaprojects in the World
29:13
Most Useless Megaprojects In The World
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Catastrophic Failures Caught On Camera
31:02
Architecture Mysteries That Baffled Historians
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She Lived In A Tree For 738 Days - The Amazing Story of Julia Butterfly Hill
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Extreme Bridge Crossings - The Deadliest Challenges
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Every Kind of Bridge Explained in 15 Minutes
31:23