Xinhua News Agency, Rio de Janeiro, August 5 - (Reporter Shen Nan, Li Zheng) two first Olympic gold medalist in Rio jointly impact the first Olympic gold, someone call this "double insurance", in fact, not to mention insurance. But the Chinese team after the opening of the first official match day on the possibility of harvest gold is still very large, because we have Sun Yang. "First Gold" Olympic shooting veterans project, it is a honor reserved. International Shooting Sport Federation highly value this rare ...