Anja Nyffeler

Switzerland's Pamela Fischer and Anja Nyffeler perform in the synchronised swimming duet free final during the World Swimming Championships at the Sant Jordi arena in Barcelona...Switzerland's Pamela Fischer and Anja Nyffeler perform in the synchronised swimming duet free final during the World Swimming Championships at the Sant Jordi arena in Barcelona July 25, 2013.  REUTERS/Michael Dalder (SPAIN - Tags: SPORT SWIMMING)

Michael Dalder/Reuters

Switzerland’s Pamela Fischer and Anja Nyffeler perform in the synchronised swimming duet free final during the World Swimming Championships at the Sant Jordi arena in Barcelona, Spain.