Training session of Argentina's national soccer team before Russia 2018 FIFA World Cup finals

Lucas Biglia, Sergio Aguero, head coach Jorge Sampaoli, Lionel Messi and Giovani Lo Celso (L-R) of Argentina's national soccer team participate in a training session before the Russia 2018 FIFA World Cup finals in Ezeiza, Argentina, on May 23, 2018. (Xinhua/Martin Zabala)