Petenis putri AS, Venus Williams, merapikan rambut adiknya, Serena Williams, saat latihan jelang Olimpiade Rio 2016 di Olympic Tennis Center, Rio de Janeiro, Brasil, (3/8/2016). (AFP/Luis Acosta)
Seorang atlet AS beraksi saat latihan loncat indah jelang Olimpiade Rio 2016 di Olympic Park, Rio de Janeiro, Brasil, (3/8/2016). (Reuters/Stefan Wermuth)