Osmi dan Olimpijade u Riju

American Ibtihaj Muhammad celebrates after winning a point to Russia in a women's team sabre fencing semifinal at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Darya Safai pleads with security personnel as they consider removing her for holding up a large sign protesting the fact that women have not been allowed to attend volleyball matches in Iran, during a men's preliminary volleyball match between Egypt and I

Cape Verde's Davilson Dos Santos Morais, is knocked down by Britain's Joe Joyce during a men's super heavyweight over 91-kg preliminary boxing match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

United States' Melissa Gonzalez, right, falls while fights for the ball with Britain's Nicola White during a women's field hockey match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Germany's Angelique Kerber reacts after winning a set against Monica Puig of Puerto Rico in the gold medal match of the women's tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Technical officers and staff members of the Lenk Aquatic Center watch as the process of draining the pool where the 2016 Summer Olympics synchronized swimming competition is to be held in Rio de Janeiro, Brazil, started Aug. 13, 2016.

Australia's Tom Burton competes during the Laser men race at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Hungary's Laura Sarosi fails to return a shot to Canada's Michelle Li during a Women's single match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Yana Egorian of Ukraine, left, and Olena Kravatska of Russia compete in a women's team sabre fencing final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

France forward Marielle Amant, right, looks for the basket defended by Japan forward Ramu Tokashiki during the first half of a women's basketball game at the Youth Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Egypt's Eslam Eissa prays on the court, as Brazil's team celebrate securing a draw, after the men's preliminary handball match between Egypt and Brazil at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.

Germany's Christoph Harting prepares a discus with chalk prior to the men's discus throw final during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Aug. 13, 2016.

Zeng Yi Wang and reacts Daniel Gorak , left, of Poland celebrate their win against Maharu Yoshimura and Koki Niwa of Japan during their men's team table tennis quarter final match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Aug. 13, 2016.