00:00Did you know One World Trade Center looks perfect, but hides surprising flaws?
00:05Its reflective glass panels overheat the building, causing massive cooling costs.
00:10The tower's unique shape also makes strong winds shake the upper floors.
00:15And the window washing system? It's so complex that cleaning the glass is slow and extremely
00:20expensive. Want more hidden flaws in famous buildings? Subscribe and stay in the loop.
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