The most memorable pictures of this week.

People wearing masks dance at a square among heavy smog during a polluted day in Fuyang, Anhui province, China

Relatives of Fatih Cakmak, a security guard and a victim of an attack by a gunman at Reina nightclub, react during his funeral in Istanbul, Turkey

Fireworks explode over the Sydney Opera House and Harbour Bridge as Australia ushers in the New Year in Sydney

Young monks take a break from their studies inside Thiksey Monastery in Ladakh, India

Senator Tammy Duckworth (D-IL) carries her daughter Abigail during a mock swearing in with U.S. Vice President Joe Biden during the opening day of the 115th Congress on Capitol Hill in Washington

A civilian rides a bicycle past a cemetery in the rebel held besieged Douma neighbourhood of Damascus, Syria 

A activist holds a balloon before releasing it towards Damascus city, on the first day of the truce, marking the end of the year and also to send a message that civil activity will continue in the rebel- held Jobar, a suburb of Damascus, Syria

Five-month-old baby elephant Fah Jam swims during a hydrotherapy treatment as part of a lengthy rehabilitation process to heal her injured front left foot at a rehabilitation center in Pattaya, Thailand January 5, 2017. The baby elephant was injured at three months old when she got stuck in an animal snare put up by villagers to prevent elephant intrusions in Chanthaburi province.

sraeli soldier Elor Azaria, who is charged with manslaughter by the Israeli military, kisses his girlfriend as he sits to hear his verdict in a military court in Tel Aviv, Israel

Schoolchildren attend a yoga session at a camp in Ahmedabad, India

A couple pose for a wedding photo at Erhai lake in Dali, southwest China's Yunnan province

Policemen detain a demonstrator during a protest against the rising prices of gasoline enforced by the Mexican government, in Monclova, in Coahuila state, Mexico. Fidencio Alonso Courtesy of Zocalo de Monclova

Bulgarian men jump to catch a wooden crucifix during Epiphany day celebrations in Sofia, Bulgaria. 

A woman throws a mixture of black ash, cement, concrete powder and ordinary dust over newly constructed road tarmac to dry it and fill in the gaps, in Ahmedabad, India

A participant wearing Kokoshnik, the Russian traditional headwear, walks out of the water during winter swimming festival in the town of Podolsk, south of Moscow, Russia.

A boy warms himself around a fire in the northern Syrian rebel-held town of al-Rai, Syria

Participants of "Gloecklerlauf" (bell ringers run) wear "Lichterkappen" (light caps) made of paper and wood while ringing bells on their belts during a traditional parade in Gmunden, Austria