House boats are dwarfed by the steep banks of a shrinking Lake Oroville on August 19, 2014 in Oroville, California. As the severe drought in California continues for a third straight year, water levels in the State's lakes and reservoirs reached historic lows. Lake Oroville is currently at 32 percent of its capacity.(Justin Sullivan/Getty Images)
Nowa Paye, 9, is taken to an ambulance after showing signs of Ebola infection in the village of Freeman Reserve, about 30 miles north of Monrovia, Liberia, on September 30, 2014. Three members of District 13 ambulance service traveled to the village to pickup six suspected Ebola sufferers that had been quarantined. Months into the world's worst-ever Ebola outbreak, and the first to happen in an unprepared West Africa, the gap between what has been sent by other countries and private groups and what is desperately needed is huge. (AP Photo/Jerome Delay)
A Palestinian man plays with his baby on a beach in Gaza city on September 7, 2014. (Mahmud Hams/AFP/Getty Images)
A protester raises his umbrellas in front of tear gas which was fired by riot police to disperse protesters blocking the main street to the Central district outside the government headquarters in Hong Kong, on September 28, 2014. Hong Kong police used tear gas to disperse pro-democracy protests and baton-charged the crowd blocking a key road in the government district after Hong Kong and Chinese officials warned against illegal demonstrations. Protesters were, and still are, calling for open elections and the resignation of Hong Kong's Chief Executive Leung Chun-ying. (Reuters/Tyrone Siu)
A picture of Syria's President Bashar al-Assad is displayed on a damaged structure at the entrance of al-Dukhaneya neighborhood near Damascus, as civilians carry their belongings recovered from their homes after soldiers loyal to Syria's President Bashar al-Assad regained control of the area from rebel fighters on October 7, 2014. (Reuters/Omar Sanadiki)