 Egyptian police, rescue workers, and volunteers look for victims of a passenger boat after it sunk in the river Nile in Giza, south of Cairo, Egypt, Thursday, July 23, 2015 (AP)
 People, including relatives, react along during a search for the victims of a boat collision on the River Nile in the Warraq area of Giza, south of Cairo, Egypt, July 23, 2015 (Reuters)
 People cool off in a fountain at the Czech Republic pavilion during the Expo 2015 global fair in Milan, Italy, July 23, 2015 (Reuters)
 Afghan men wash under a waterfall to cool off in Parwan province, Afghanistan July 23, 2015 (Reuters)
 Colorful sailboats participate in a regatta in front of a telecommunication tower on lake Wannsee in Berlin, Germany, Thursday, July 23, 2015 (AP)
 Seven-month-old lion cubs, Mona and Alex, are seen in their enclosure after their arrival in Amman, Jordan, July 23, 2015 (Reuters)
 Stage winner Romain Bardet of France, second left, rides with Cyril Gautier of France, left, Andrew Talansky of the U.S., third right, and Britain's Simon Yates, second right, during the eighteenth stage of the Tour de France cycling race over 186.5 kilometers (115.9 miles) with start in Gap and finish in Saint-Jean-de-Maurienne, France, Thursday, July 23, 2015 (AP)
 Players battle for the ball during their match at the swamp soccer China tournament in Beijing, China, July 23, 2015 (Reuters)
 A Kashmiri vegetable vendor smokes a hookah, or a hubble bubble, on his boat as he waits for customers in Srinagar, India, Thursday, July 23, 2015 (AP)
 All six teams competing in the America's Cup World Series parade along the waterfront in Portsmouth, England, Thursday, July 23, 2015 (AP)
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