– Liang Kaiyu, 30, created his own prosthetic leg and then modified it by adding LED lights, shock absorbers and a self-charging interface. – “It’s 2022, and I can finally wear an artificial leg that I made myself. Although it looks a bit ugly, it is unique and meaningful to me,” Liang, a former industry equipment designer who earned the nickname “Iron Leg Man,” said in a viral Douyin post. – Liang lost his left leg following a work-related injury in January 2020. Before finding the motivation to make his artificial limb, his life was “like riding a roller coaster.”…