From snowy Beijing to Santa on bikes: Top 10 pictures of the week from around the world

A motorcyclist, Helton Garcia dressed as Santa Claus, rides his motorcycle before handing out gifts to children in a rural school in Santo Antonio do Descoberto, state of Goias, Brazil.

The Villarrica volcano lights up the sky at night seen from Pucon town, Chile.

A woman uses a plastic bag to protect her head amid snowfall in Beijing, China.

A Rohingya Muslim girl reacts while taking a bath at a port warehouse that is used as temporary shelter in Sabang, Aceh province, Indonesia.

People ride in boats as waters of Grand Canal turned green after a protest by 'Extinction Rebellion' climate activists in Venice, Italy.

Singer Alicia Keys gives a surprise performance on Elton John's piano at St. Pancras International Station in London, Britain.

A reveller poses as he takes part in SantaCon in New York City, New York, US.

A Palestinian reacts at the site of an Israeli strike on a house, amid the ongoing conflict between Israel and Palestinian Islamist group Hamas, in Rafah in the southern Gaza Strip.

A heron sits on partially submerged seats as the River Thames overtops its banks following prolonged rainfall and high tides, in west London, Britain.

A human smuggler scouts through the border wall to make sure the US border patrol is not around before sending migrants into the U.S. from Mexico, as the number of migrants surges in the border town of Lukeville, Arizona, US.