Tony Hawk breaks down skateboarding’s legendary spots

Full pipes, ledges, stair sets, and pools: These are the skate spots that made legends. Subscribe to our channel! http://goo.gl/0bsAjO Tony Hawk, the legendary skateboarder, and Iain Borden, an architectural historian, are your guides in this deep dive into skateboarding history via the sport’s most iconic spots. From a giant>>>

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NASA slowly drains pipes the oceans in an amazing animation, revealing surprise undersea mountain varieties and ancient land bridges

  Oceans cover most of the Earth, including its longest mountain variety and the ancient bridges that humans crossed to reach other continents. In a current remake of a 2008 NASA video, planetary scientist James O’Donoghue reveals what it would appear like if all that water drained away, revealing the>>>

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