A man dressed as a devil performs during a Krampus show Saturday, December 13, in Kaplice, Czech Republic. Each year, people in costumes and masks parade through the streets to disperse the ghosts of winter.

Afghan schoolchildren study at an open-air classroom in eastern Nangarhar province on Thursday, December 18.

Buddhist monks take pictures at a courthouse in Yangon, Myanmar, as they wait to see Philip Blackwood after a court hearing on Thursday, December 18. Blackwood, general manager of the V Gastro Bar, and two business partners were arrested last week after an online advertisement for the bar showed a psychedelic image of Buddha wearing headphones.

Debris and rocks fill the backyards of homes in Camarillo Springs, California, on Friday, December 12. Ten homes were damaged and ruled uninhabitable after a mudslide crashed into the subdivision and piled rocks almost as high as roof lines, authorities said.

A man places flowers to pay his respects to the victims of the cafe siege in Sydney on Tuesday, December 16.

A man dressed as Santa Claus slides down a rope of the cable car transporting visitors up Rio de Janeiro's Sugarloaf Mountain on Thursday, December 18.

A civilian informant at Camp Aguinaldo, east of Manila, Philippines, holds a reward of 5.3 million Philippine pesos (nearly USD 120,000 U.S.) for the arrest of suspected Abu Sayyaf militants on Tuesday, December 16. The bounty was part of anti-terrorism efforts in the Philippines.

Whirling Dervishes perform a traditional "sema" ritual during a ceremony in Istanbul on Saturday, December 13. The ceremony marked the death of Mevlana Jalaluddin Rumi, the father of the Mevlevi sect the Dervishes belong to.

Britain's Prince Harry shows children a photograph he took during a visit to Mokhotlong, Lesotho, on Thursday, December 18. The prince co-founded a charity, Sentebale, that built a school in the town.

A man passes an upside-down house in Krasnoyarsk, Russia, on Sunday, December 14. The house was constructed as an attraction for local residents and tourists.

Villagers rescue a wild elephant calf Monday, December 15, at a rice paddy field in India's northeastern Assam state. The elephant had been separated from its herd.

A woman walks past mannequins that were locked to a gas pipe in Tehran, Iran, on Monday, December 15.

People in Zhenjiang, China, watch a car dangle on the edge of a giant sinkhole on Friday, December 12

A museum staff member checks the lighting near the "Earlier Mona Lisa" before the painting went on exhibition at The Arts House in Singapore. A private Swiss art foundation says the painting was done by Leonardo da Vinci years before his "Mona Lisa" masterpiece.

A Chinese soldier's eyelashes are covered with frost as he trains in Heihe, China, on Tuesday, December 16. The temperature was minus-30 degrees Celsius (minus-22 degrees Fahrenheit).

People gather around a downed aircraft in Athurugiriya, Sri Lanka, as firefighters try to extinguish flames amid the debris on Friday, December 12. The Sri Lanka Air Force plane crashed into a rubber plantation, killing all four people on board, police said.

Visitors at Mather Point, on the South Rim of Arizona's Grand Canyon National Park, view a rare weather phenomenon on Thursday, December 11: a sea of thick clouds filling the canyon just below the rim.

A crane fell on the roof of a house in Ijesselstein, Netherlands, on Saturday, December 13. No one was hurt in the incident, which happened when a man tried to surprise his girlfriend by proposing from the top of the crane, according to Dutch affiliate RTL News.

Smoke from the Mount Sinabung volcano is seen from a village on Indonesia's Sumatra island on Sunday, December 14.

From left, Jack Harris, Jada Harris and Olivia Bernhardy sit at the grave of a close family friend Saturday, December 13, at Arlington National Cemetery in Arlington, Virginia.

A rebel fighter in Aleppo, Syria, keeps an eye on government troops on Wednesday, December 17. The United Nations estimates nearly 200,000 people have been killed in Syria since an uprising in March 2011 spiraled into civil war.

Lazaro Iglesias, left, debates Peter Bell outside a restaurant in Miami's Little Havana neighborhood Wednesday, December 17, after U.S. President Barack Obama announced a change in approach toward Cuba. Iglesias, left, is against the policy shift, while Bell supports it.

Plain-clothed police officers in Adana, Turkey, detain a man who was trying to set up a tent Monday, December 15, to mourn those killed in Kobani, Syria. Kobani, near the Turkish border, has been devastated by heavy fighting between Kurdish forces and ISIS militants.

Pope Francis blows out candles as he celebrated his 78th birthday at the Vatican on Wednesday, December 17.