The 2016 Rio Olympic Games have finally arrived, generating great excitement among fans and tourists – and athletes.
Around 10,400 athletes are preparing to join 70,000 fans in the Maracana Stadium for the opening ceremony. Many of them have taken to Instagram to post photos and videos of themselves getting ready for the huge event.
IBTimes UK shares some of the best Olympic athletes' Instagram posts.
Canadian footballer Allysha Chapman shows off her moves:
Australian 400m runner Morgan Mitchell shows off her cookie-catching skills:
Ellen Hoog and the Dutch hockey team dance:
British boxer Nicola Adams gets in the party mood for the opening ceremony:
Laura Trott takes out the competition:
British diver Tonia Couch poses with US basketball players DeAndre Jordan and DeMarcus Cousins:
US gymnasts visit the US basketball team:
British-born US fencer Miles Chamley-Watson with Brazilian football legend Pele:
Team GB weightlifter Sonny Webster with Princess Anne:
Tom Daley warming up with Daniel Goodfellow:
Olivia Federici, captain of the GB synchronised swimming team, warms up:
British gymnast Courtney Tulloch soaks up the sun in Rio:
Harry Aikines and Richard Kilty take a break from practising baton changes:
British sprinter James Ellington: what a catch!
US 400m runner Natasha Hastings: what a view!
British judo star Ashley McKenzie surreptitiously films the heavily-armed security personnel:
The three-hour opening ceremony will highlight Brazilian culture and the environment, culminating with the Olympic tradition of lighting the cauldron.