Taking the pooch out for its regular walk is one of the great joys and chores of dog ownership. But does it apply if the dog is a robot? This seemingly futuristic question may no longer be a thing of the past, as robot dogs have started to appear on short video platforms across mainland China, with one video receiving over 700,000 likes. Wu Xiangyu, a Shanghai resident, is an owner of a robot dog , and walking the canine in his spare time has become a regular routine, he told mainland media outlet Thepaper.cn. In Shanghai, the Xuhui district…