Regardless of their nationalities, the smiles or tears on the faces of these swimmers will be remembered and shared by the whole world as they smashed world records on the first and second day of the swimming competitions at Rio Olympics.

Adam Peaty, the United Kingdom

Men's 100m breaststroke

Adam Peaty of United Kingdom celebrates after setting a new world record in the men's 100m breaststroke final at Olympic Aquatics Stadium, Rio de Janeiro, Brazil, on August 7, 2016. [Photo/Agencies]