
Poland's Konrad Bukowiecki celebrates after winning gold medal in the men's shot put final at the 2017 European Athletics Indoor Championships at the Kombank Arena in Belgrade, Serbia, March 4, 2017. (Xinhua/Predrag Milosavljevic)

Poland's Konrad Bukowiecki celebrates after winning gold medal in the men's shot put final at the 2017 European Athletics Indoor Championships at the Kombank Arena in Belgrade, Serbia, March 4, 2017. (Xinhua/Predrag Milosavljevic)