The world's best gymnasts are hoping the sweat and tears they've shed in training will provide them with the spark they need at the Olympics to pull the plug on two record-chasing champions who have been dubbed "robots".
The head of the IOC played down problems with unfinished accommodation in Rio de Janeiro, saying he expected Brazil to host a "fantastic" games.
The International Olympic Committee's decision to let individual sport federations decide whether to ban Russians from the Rio games over doping has put Moscow's links to the governing bodies under scrutiny.
Brazil's suspended President Dilma Rousseff has decided not to attend the torch ceremony opening the Rio 2016 Olympic Games
Green, yellow, blue and red. The four colours will identify different functions among the Rio Olympic and Paralympic Games staff and volunteers.