[Chinese version of Iron Man? A man in Yunnan spends 700,000 yuan to make a self-made flight suit] Recently, Liu Dongsheng, a 34-year-old man from Hekou County, Honghe Prefecture, Yunnan Province, wore a self-made flight suit for a test flight and was called the Chinese version of "Iron Man" by netizens. Liu Dongsheng said that this flight suit has cost more than 700,000 yuan and can fly for three to five minutes each time. In terms of safety, airbags and other auxiliary equipment will be added in the future. Currently, Liu Dongsheng's team has applied for a national invention technology patent.