
Druids gather for a winter solstice ritual to mark the shortest day's sunlight on Beacon Hill near Loughborough, central England (Reuters)

A girl, hoping to cross into Egypt with her family, looks out a bus window at the Rafah crossing between Egypt and the southern Gaza Strip December 21, 2014 (Photo: Reuters)

A woman shows her ink-stained finger after casting her vote at a polling station in Tunis December 21, 2014 (Photo: Reuters)

A family plays in winterly thin sunshine at a Tokyo temple, Sunday, Dec. 21, 2014 (Photo: AP)

A group of youth supporters of Russian Communist Party with a Stalin poster, prepare to march on Red Square marking the 135th anniversary of the birth of Soviet dictator Josef Stalin in Moscow, Russia, Sunday, Dec. 21, 2014 (Photo: AP)

An Indian man stands on the shore of the Arabian Sea during sunset in Mumbai, India, Sunday, Dec. 21, 2014. Mumbai, which is also known as financial capital of India, is the fourth most populous city in the world (Photo: AP)

A marching band of the Iranian Revolutionary Guard performs (AP)

Patients eat in the recovery wing of the Hastings Ebola treatment centre in a neighbourhood in Freetown (Reuters)

A man carries a weapons box left behind by forces loyal to Syria's President Bashar al-Assad at the Azaalana checkpoint, after rebels took control of two military posts from the forces, in the southern Idlib countryside (Reuters)

Pakistani Christians attend a prayer service for the victims killed in Tuesday's Taliban attack on a military-run school in Peshawar (AP)

A general view is seen of camps of the minority Yazidi sect at Mount Sinjar, in the town of Sinjar (Reuters)