In this photo taken on Saturday, Aug. 4, 2012, Amina El Sergany, center, of Egypt helps officiate a beach volleyball match between Germany and Brazil at the 2012 Summer Olympics, in London. El Sergany is the first Muslim woman to referee the sport at the Olympics. While the bikini is the players’ preferred uniform, El Sergany officiates the game wearing long pants with a hijab under her jacket, leaving only her face and hands uncovered. (AP Photo/Dave Martin)