(From L to R)Champion team Japan's Hirooki Arai, Hayato Katsuki, Satoshi Mauro and Yuki Ito celebrate on the podium during the awarding ceremony for the men's 50km competition at the IAAF World Race Walking Team Championships Taicang 2018 in Taicang, east China's Jiangsu Province, May 5, 2018.(Xinhua/Ji Chunpeng)