Security forces take part in anti-terrorism attack drill in Sao Paulo, Brazil
Source:Xinhua Published: 2016/7/26 14:53:24
Members of security forces takes part in an anti-terrorism attack drill in Paraiso Metro Station, in Sao Paulo, Brazil, on July 20, 2016. The drillers will remain in the city until the end of the Rio de Janeiro 2016 Olympic Games.Photo: Xinhua