RIO DE JANEIRO, BRASILE - 14 AGOSTO 2016: Anita Alvarez e Mariya Koroleva della squadra statunitense gareggiano durante i duetti di nuoto sincronizzati di routine gratuita preliminare dei Giochi Olimpici di Rio 2016 - Foto e immagini stock

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Lolita Ananasova and Anna Voloshyna of Ukraine compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 14, 2016: Ona Carbonell and Gemma Mengual of Spain compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Linda Cerruti and Costanza Ferro of Italy compete during the synchronized swimming duet technical routine preliminary round at the 2016 Summer Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 14, 2016: Anita Alvarez and Mariya Koroleva of team United States compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Karem Achach and Nuria Diosdado of Mexico compete during the synchronized swimming duet technical routine preliminary round at the 2016 Summer Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Karem Achach and Nuria Diosdado of Mexico compete during the synchronized swimming duet technical routine preliminary round at the 2016 Summer Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 14, 2016: Anita Alvarez and Mariya Koroleva of team United States compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 14, 2016: Ona Carbonell and Gemma Mengual of Spain compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Lolita Ananasova and Anna Voloshyna of Ukraine compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Lolita Ananasova and Anna Voloshyna of Ukraine compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Huang Xuechen and Sun Wenyan of team China compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

Synchronized swimming duet during competition

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Huang Xuechen and Sun Wenyan of team China compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Huang Xuechen and Sun Wenyan of team China compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 14, 2016: Ona Carbonell and Gemma Mengual of Spain compete during synchronized swimming duets free routine preliminary of the Rio 2016 Olympic Games