In 1974, Philippe Petit set out to achieve the unthinkable: a high-wire walk more than 1,300 feet in the air across New York City’s Twin Towers. The event that enthralled New Yorkers almost 50 years ago has been immortalized in an Oscar-winning documentary Man on Wire and the 2015 film The Walk. He told us how he constructed the audacious plan and what it felt like to look down on the world below.

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