New Zealand's Ria Percival reacts after her team's loss to Brazil. REUTERS/Francois Lenoir
Germany's Carolin Golubytskyi receives assistance during her women's Individual Foil round of 16 fencing competition against Italy's Elisa Di Francisca. REUTERS/Fabrizio Bensch
Performers entertain the crowd during a show in between beach volleyball matches at the Horse Guards Parade. REUTERS/Marcelo Del Pozo
A fan dressed as Captain America passes the Olympic rings before the women's basketball preliminary round match between the US and Croatia. REUTERS/Luke MacGregor
Italy's gold medallist Elisa Di Francisca celebrates on podium during the award ceremony for the women's Individual Foil fencing competition. REUTERS/Max Rossi
Members of the Australian women's 4x100m freestyle relay team celebrate after winning gold. REUTERS/Jorge Silva
South Africa's Cameron van der Burgh reacts after setting an Olympic record during the men's 100m breatstroke semi-final. REUTERS/Toby Melville
The Olympic rings and the Union flag are painted on the fingernails of US volleyball player Destinee Hooker. REUTERS/Ivan Alvarado
Manuel Almeida Campos of Portugal competes in the rings event during the men's gymnastics qualification. REUTERS/Dylan Martinez
Australia's Nat Cook and Tamsin Hinchley react after losing their women's beach volleyball preliminary match to Misty May-Treanor and Kerri Walsh Jennings of the US. REUTERS/Marcelo Del Pozo
Philipp Boy of Germany competes in the horizontal bar event during the men's gymnastics qualification. REUTERS/Mike Blake