Pablo Martinez Monsivais / AP
President Barack Obama and University of Alabama football player and Heisman Trophy winner Derrick Henry strike a 'Heisman-pose' for a photo during the National Prayer Breakfast in Washington, on Feb. 4, 2016. The annual event brings together U.S. and international leaders from different parties and religions for an hour devoted to faith.
Plants are seen after snowfall in Xi'an, China's Shaanxi province on Jan. 31, 2016.
Leo Correa / AP
People cool off in water during the "Escravos da Maua" block party, as part of pre-Carnival celebrations in Rio de Janeiro, Brazil, on Jan. 31, 2016. Merrymakers are taking to the streets in hundreds of open-air "bloco" parties, before the start of the city's over-the-top Carnival, which officially starts the first week of February, the highlight of the year for many residents. "Escravos da Maua" translates as Slaves of Maua.
JOHN TAGGART / EPA
Workers remove the podium of presidential candidate Donald Trump after his speech following the Republican Caucuses results at the Sheraton in West Des Moines, Iowa on Feb. 1, 2016. Republican presidential hopeful and Texas Senator Ted Cruz came out on top over billionaire Donald Trump in the first contest. The Iowa Caucus is the first official test of candidates seeing their parties' nominations.
EDUARDO SOTERAS / AFP - Getty Images
People gather to take part in the funeral of Congolese Christian Gospel singer Marie Misamu at the Stade des Martyrs in Kinshasa, Congo on Jan. 28, 2016. She passed away on January 16 at the age of 41 from a heart attack.
Loic Bernardin / Marine Nationale via Reuters
Stricken cargo ship 'Modern Express' lies in the Atlantic Ocean off France, on Feb. 1, 2016. The distressed ship is being towed away from the French coast after a final salvage attempt on Monday. The 164-meter-long Modern Express, which was transporting 3,600 tonnes of wood along with construction machinery from Gabon to France, has been drifting towards the coast since its crew was evacuated by helicopter last week.
A Hillary Clinton supporter talks to the democratic presidential candidate as she greets the crowd during a "get out the caucus" event at Iowa State University on Jan. 30, 2016 in Ames, Iowa. With two days to go before the Iowa caucuses, Hillary Clinton is campaigning throughout Iowa.
Justin Sullivan / Getty Images
SUHAIB SALEM / Reuters
Palestinians fall down from a shop roof during the funeral of seven Hamas gunmen who were killed when a tunnel collapsed close to the Gaza Strip's eastern border with Israel in Gaza City on Jan. 29, 2016.
ARMEND NIMANI / AFP - Getty Images
Migrants walk after crossing the Macedonian border into Serbia, near the village of Miratovac, on Jan. 29, 2016. More than one million migrants and refugees crossed the Mediterranean Sea to Europe in 2015, nearly half of them Syrians, according to the UN refugee agency, UNHCR. The International Organisation for Migration said last week that 31,000 had arrived in Greece already this year.
Halit Onur Sandal / AP
The dead body of a migrant boy lies on the beach near the Aegean town of Ayvacik, Canakkale, Turkey on Jan. 30, 2016. A boat carrying migrants to Greece hit rocks off the Turkish coast on Saturday and capsized, killing at least 33 people, including five children, officials and news reports said. Some 75 other migrants were rescued. A Turkish government official said he expects the death toll from the incident to rise as rescue workers try to reach other migrants believed trapped inside the wreckage of the boat which sank shortly after departing from the Aegean resort of Ayvacik.
AARON P. BERNSTEIN / Reuters
Republican U.S. presidential candidate Marco Rubio prays with his family as they attend the Republican caucus at the 7 Flags Event Center in Clive, Iowa on Feb. 1, 2016.
AFP - Getty Images
Rescuers free a trapped miner in Pingyi County, eastern China's Shandong province on Jan. 29, 2016. The first three of four surviving Chinese miners have been rescued after being trapped for 36 days underground, Chinese state media say.
MARK MAKELA / Reuters
Actor and comedian Bill Cosby departs a hearing on sexual assault charges at the Montgomery County Courthouse in Norristown, Penn. on Feb. 3, 2016.