Tennis fans queue for the security check at the entrance before the 2017 ATP Rio Open tennis tournament held at the Brazilian Jockey Club in Rio de Janeiro, Brazil, on Feb. 20, 2017. The tournament kicked off on Monday. (Xinhua/Li Ming)
Tennis fans queue for the security check at the entrance before the 2017 ATP Rio Open tennis tournament held at the Brazilian Jockey Club in Rio de Janeiro, Brazil, on Feb. 20, 2017. The tournament kicked off on Monday. (Xinhua/Li Ming)