Michael Phelps of the USA holds his Olympic medal, presented to him for the men's freestyle relay during the 2012 Olympic Games at the Aquatics Centre, London. Phelps is officially the most decorated Olympian to date.
The Olympic Ring are displayed in the Olympic Stadium
FIERCE FINAL 5 RIO OLYMPICS TEAM GOLD MEDAL
Iridescence is the play of color, or a series of colors, produced by interference or diffraction (or both), either when light is reflected from thin films (inclusions), twinning planes or from the unique structure of precious opal. There are several types of iridescence that have their own particular causes: Labradorescence Adularescence (or Schiller) Aventurescence Opalescence