Brazil's top security force takes charge at Rio 2016 venues (5)

RIO DE JANEIRO, July, 6, 2016 -- A total of 700 National Force officers attend the inauguration ceremony of the integrated security operation for Rio 2016 Games at Barra Olympic Park in Rio de Janeiro, Brazil, on July 5, 2016. Brazil's top security force officially assumed control of security at the venues for the Rio 2016 Games in a ceremony at Barra Olympic Park on Tuesday, one month prior to the Rio 2016 Olympic Games. (Xinhua/Li Ming)