Demonstrators protesting for an increase in the minimum wage enter the media file center at the PBS NewsHour Democratic presidential candidate debate at the University of Wisconsin-Milwaukee

Win McNamee/Getty Images

Demonstrators protesting for an increase in the minimum wage enter the media file center at the PBS NewsHour Democratic presidential candidate debate at the University of Wisconsin-Milwaukee

Traditional buildings of a tourist spot are seen lit up at night in Liaocheng, Shandong province

Reuters

Traditional buildings of a tourist spot are seen lit up at night in Liaocheng, Shandong province

Migrants and refugess build a church in the "jungle" of Calais

Philippe Hugen/AFP

Migrants and refugees build a church in the “jungle” of Calais

A woman is reflected in a puddle as she crosses a road in Minsk, during warm winter weather

Sergei Gapon/AFP

A woman is reflected in a puddle as she crosses a road in Minsk, during warm winter weather 

Performers go through a final dress rehearsal for the Royal Edinburgh Military Tattoo

Robert Cianflone/Getty Images

Performers go through a final dress rehearsal for the Royal Edinburgh Military Tattoo

A girl poses for pictures under decorated trees as the Chinese Lunar New Year, which welcomes the Year of the Monkey, is celebrated at Daguanyuan park, in Beijing

Damir Sagolj/Reuters

A girl poses for pictures under decorated trees as the Chinese Lunar New Year which welcomes the Year of the Monkey is celebrated at Daguanyuan park in Beijing

Believers pray around a cross-shaped platform covered with candles placed in jars of honey during a ceremony marking the day of Saint Haralam

Nikolay Doychinov/AFP

Believers pray around a cross-shaped platform covered with candles placed in jars of honey during a ceremony marking the day of Saint Haralampi, Orthodox patron saint of bee-keepers, at the Church of the Blessed Virgin in Blagoevgrad, eastern Bulgaria

Rescue workers and excavation vehicles carry out their rescue and search operation on what was the top (foreground) of the Wei-Kuan complex which collapsed in the 6.4 magnitude earthquake, in the southern Taiwanese city of Tainan

Anthony Wallace/AFP

Rescue workers and excavation vehicles carry out their rescue and search operation on what was the top (foreground) of the Wei-Kuan complex which collapsed in the 6.4 magnitude earthquake, in the southern Taiwanese city of Tainan

Gendarmes walk through makeshift shacks during the evacuation of a Roma migrants' camp deemed insecure and unsanitary, on former railway tracks along Boulevard Ney in northern Paris

Dominique Faget/AFP

Gendarmes walk through makeshift shacks during the evacuation of a Roma migrants’ camp deemed insecure and unsanitary, on former railway tracks along Boulevard Ney in northern Paris

Argentinian United Nations soldiers wave to Pope Francis

Max Rossi/Reuters

Argentinian United Nations soldiers wave to Pope Francis as he arrives to lead the weekly audience in Saint Peter’s Square at the Vatican

People try to put out a forest fire in Bogot

Luis Acosta/AFP

People try to put out a forest fire in Bogota

London seen from space

Tim Peake/ESA/NASA

Astronaut Tim Peake’s photo of London viewed from the space station

An old locomotive train that was used for transporting coal is preserved as a monument at Ny-Alesund, in Svalbard, Norway

Anna Filipovaa/Reuters

An old locomotive train that was used for transporting coal is preserved as a monument at Ny-Alesund, in Svalbard, Norway

A man holding incense sticks as he prays  at a temple in Taipei

Philippe Lopez/AFP

A man holding incense sticks as he prays at a temple in Taipei

A Kashmiri fisherman rows his boat on Dal lake during dense fog in Srinaga

Mustafa Tauseef

A Kashmiri fisherman rows his boat on Dal lake during dense fog in Srinagar

People play ice hockey on the frozen Liangmahe River in Beijing

Jason Lee/Reuters

People play ice hockey on the frozen Liangmahe River in Beijing 

Indonesia's Mount Sinabung volcano spews lava and ash

Rony Muharrman/Reuters

Indonesia’s Mount Sinabung volcano spews lava and ash during an eruption as it is seen from Tiga Pancur village in Karo, North Sumatra province

A U.S. Air Force F15 fighter jet takes off from Kadena Air Base in Okinawa, southwestern Japan

Koji Ueda/AP

A U.S. Air Force F15 fighter jet takes off from Kadena Air Base in Okinawa, southwestern Japan

apanese traditional female dancers, maikos, and performers, geikos attend the new year's ceremony at the Gion Kobu Kaburenjo Theater

Buddhika Weerasinghe/Getty Images

Japanese traditional female dancers, maikos, and performers, geikos attend the new year’s ceremony at the Gion Kobu Kaburenjo Theater

Members of the Leominster Morris lead the crowd from the Boot Inn in Orleton near Leominster to the local apple orchard to take part in a their Twelfth Night wassailing ceremony

Matt Cardy/Getty Images

Members of the Leominster Morris lead the crowd from the Boot Inn in Orleton near Leominster to the local apple orchard to take part in a their Twelfth Night wassailing ceremony