This picture taken on September 22, 2023 shows a demonstration of DEEP Robotics' X30 robot dog walking down steps on a pedestrian walkway at the 2022 Asian Games host city Hangzhou, in China's eastern Zhejiang province. From autonomous bug zappers to android pianists and driverless ice cream trucks, machines rule the world, at least at China's Asian Games. Host city Hangzhou is the unofficial home of China's tech industry and robots and other mind-boggling gadgets are set to serve, amuse and police visitors. (Photo by Philip Fong/AFP Photo)
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