In seven days, the games will finally start. The sporting competition will be as sprawling, eclectic and emotional as ever, with new events such as surfing and skateboarding, and stars such as American gymnast Simone Biles, Japanese tennis player Naomi Osaka and Dina Asher-Smith, the British sprinter, to replace icons such as the retired sprinter Usain Bolt. 

These all things are not the only novations. Everybody agrees that this time Games will be totally different experience, being the symbol of sport wirld they are changed according to challenges of our time.

If you follow the preparing for the great event and already have your own ideas about the outcome of it, try to guess which country will become the Olympic Champ this time!