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<p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal"><span>We interview X-FLY Drone Racing founder Chen Cheng (in Chinese) about what inspired him to drop his PhD in physics in the US, jump into drone racing, and turn it into a business in China.</span><br /></p>