The Czech Republic's Pavel Maslak celebrates after winning the men's 400m final at the 2017 European Athletics Indoor Championships at the Kombank Arena in Belgrade, Serbia, March 4, 2017. (Xinhua/Predrag Milosavljevic)
The Czech Republic's Pavel Maslak celebrates after winning the men's 400m final at the 2017 European Athletics Indoor Championships at the Kombank Arena in Belgrade, Serbia, March 4, 2017. (Xinhua/Predrag Milosavljevic)