 Complete the following phrase:  Qi Guangpu ; ; born October 20, 1990 is a Chinese aerial skier who has represented China at the 2010, 2014, and 2018 Winter Olympics. Although his performance at the Olympics is lackluster while failing to medal in any of the Olympics he has participated with a 4th place in 2014, his records at the FIS Freestyle World Ski Championships is much better, with 2 golds and 2 silvers from 2011 to 2017. He won a silver medal at the 