Men play cricket in a public park on a foggy morning in Kolkata

Rupak De Chowdhuri/Reuters

Men play cricket in a public park on a foggy morning in Kolkata, India on Friday

School trip

Narendra Shrestha/EPA

Two fourteen-year-old Nepalese students use their sandals to paddle across the Trishuli river on their way to school in Dhading District, some 90 kilometers from capital Kathmandu, Nepal, on Thursday. The two girls cross the river everyday on an inflatable rubber tube because the local authorities have failed to build a promised bridge.

IMF Managing Director Christine Lagarde dances with a local woman after touring the community of Ayacucho

Stephen Jaffe/Reuters

International Monetary Fund (IMF) Managing Director Christine Lagarde (centre L) dances with a local woman after touring the community of Ayacucho.

A NYPD policeman reacts next to people protesting against the Staten Island death of Eric Garner during an arrest in July, at midtown Manhattan in New York

Eric Thayer/Reuters

A NYPD policeman (R) reacts next to people protesting against the Staten Island death of Eric Garner during an arrest in July, at midtown Manhattan in New York December 3, 2014. A New York City grand jury decision not to charge white police officer Daniel Pantaleo who killed unarmed black man Garner with a chokehold sparked outrage and protests on Wednesday, and the U.S. Justice Department said it would investigate the incident

Cyclists perform a stunt as they practice ahead of the Hip-Hop Carnival in Kolkata

Rupak De Chowdhuri/Reuters

Cyclists perform a stunt as they practise ahead of the Hip-Hop Carnival in Kolkata, India, on Tuesday.

Pro-democracy protester and a policeman fall to the ground as two other policemen detain protester during clashes outside the government headquarters in Hong Kong

Bobby Yip/Reuters

A pro-democracy protester and a policeman fall to the ground as two other policemen detain the protester during clashes outside the government headquarters in Hong Kong on Monday

An Indian jockey leads his horse off the track after attending a practice session

Dibyangshu Sarkar/AFP/Getty Images

An Indian jockey leads his horse off the track after attending a practice session at The Royal Calcutta Turf Club on a foggy morning in Kolkata on Friday

Shoppers wrestle over a television as they compete to purchase retail items on "Black Friday" at an Asda superstore in Wembley

Luke MacGregor/Reuters

Shoppers wrestle over a television as they compete to buy items on “Black Friday” at an Asda superstore in Wembley, north London on Friday.

Ethnic Miao girls wearing traditional costumes look back on their way home after school at the village of Basha in Congjiang county

Sheng Li/Reuters

Ethnic Miao girls wearing traditional costumes look back on their way home after school at the village of Basha in Congjiang county, Guizhou province

A protester takes refuge from snowfall while sitting outside the Ferguson Police Station in Missouri

Adrees Latif/Reuters

A protester takes refuge from snowfall while sitting outside the Ferguson Police Station in Missouri. The streets of Ferguson, were mostly quiet on Wednesday after two nights of racially charged unrest following a U.S. grand jury decision to clear a white policeman over the killing of an unarmed black teenager.