How They Make the Rio Olympic Medals

Worthy...

Michael Phelps, Team USA Olympic champ, with his 21st gold medal today.

Meet the man who sculpted the molds for the gold, silver and bronze medals worthy of Rio Olympic winners in this special by cnn.com:  http://www.cnn.com/videos/world/2016/08/09/rio-olympic-medals-making-orig.cnn

Photo: swimmingworldmagazine.com.