Mariachi musician Moises Rivera, 60, waits for a gig in the Boyle Heights area of Los Angeles, home to many Mexican and Central American migrants, in California.

Lucy Nicholson/Reuters

Mariachi musician Moises Rivera, 60, waits for a gig in the Boyle Heights area of Los Angeles, home to many Mexican and Central American migrants, in California.

People march in Ouagadougou against the high cost of living in Burkina Faso. Trade unions in Burkina Faso have called a general strike following a day of protests against long-serving President Blaise Compaore

Issouf Sanogo/AFP/Getty Images

People march in Ouagadougou against the high cost of living in Burkina Faso. Trade unions in Burkina Faso have called a general strike following a day of protests against long-serving President Blaise Compaore

Doves  sit  on  cables at   a former lignite surface mining area in  Grosspoesna near Leipzig, central Germany.

JensMeyer/AP

Doves sit on cables at a former lignite surface mining area in Grosspoesna near Leipzig, central Germany.

A man clears  away snow at an open air beer garden  on Great Arber mountain, near Bayerisch Eisenstein southern Germany.

Armin Weigel/dpa/AP

A man clears away snow at an open air beer garden on Great Arber mountain, near Bayerisch Eisenstein southern Germany.

Employees of Vienna's Art History Museum (Kunsthistorisches Museum Wien) adjust the painting "Infant Balthasar Charles with a Dwarf" by Spanish artist Diego Velazquez, prior to the opening of the major exhibition "Velazquez" in Vienna.

Leonhard Foegar/Reuters

Employees of Vienna’s Art History Museum (Kunsthistorisches Museum Wien) adjust the painting “Infant Balthasar Charles with a Dwarf” by Spanish artist Diego Velazquez, prior to the opening of the major exhibition “Velazquez” in Vienna.

A worker from the Commonwealth War Graves Commission cleans leaves off of the caskets of World War I soldiers prior to a re-burial ceremony in Bois-Grenier, France Fifteen British WWI soldiers were re-buried nearly a century after they died in battle. The soldiers, who served with the 2nd Battalion, York and Lancaster Regiment, were discovered in a field nearby in Beaucamps-Ligny in 2009 and identified through a variety of means, including DNA.

Virginia Mayo/AP

A worker from the Commonwealth War Graves Commission cleans leaves off of the caskets of World War I soldiers prior to a re-burial ceremony in Bois-Grenier, France Fifteen British WWI soldiers were re-buried nearly a century after they died in battle. The soldiers, who served with the 2nd Battalion, York and Lancaster Regiment, were discovered in a field nearby in Beaucamps-Ligny in 2009 and identified through a variety of means, including DNA.

Britain's Prime Minister David Cameron (L) attends a ceremonial welcome for the President of Singapore Tony Tan, and his wife, at Horse Guards Parade in London. The President and his wife will be guests of Queen Elizabeth during the first state visit of a Singapore President to Britain.

Toby Melville/Reuters

Prime Minister David Cameron (L) attends a ceremonial welcome for the president of Singapore Tony Tan, and his wife, at Horse Guards Parade in London. The president and his wife will be guests of Queen Elizabeth during the first state visit of a Singapore president to Britain.

Students brave high winds and rain on Blackpool promenade as Britain prepares for high winds over the next two days.

Christopher Furlong/Getty Images

Students brave wind and rain on Blackpool promenade as Britain prepares for stormy conditions over the next two days.

A ragpicker looks for recyclable items on a pile of garbage at a landfill in Depok on the outskirts of Jakarta, Indonesia

Tatan Syuflana/AP

A ragpicker looks for recyclable items on a pile of garbage at a landfill in Depok on the outskirts of Jakarta, Indonesia

Models wait backstage during Ukrainian Fashion Week in Kiev

Gleb Garanich/Reuters

Models wait backstage during Ukrainian Fashion Week in Kiev