Here's our pick of the best pictures from around the world this week...
Where can you find the world's worst weather?
Chasing frozen waterfalls: Climbers scale and light up icy caves for stunning photos
Who are the most significant people EVER?
Pro-EU Ukrainians protest in Kiev
Nelson Mandela memorial: Thousands gather in the rain to remember anti-apartheid leader
Creatures of the abyss: Over 30 new species discovered a mile under freezing Antarctica waters
Nelson Mandela: Memorial service guestlist to include presidents, supermodels and singers
Pictures of the week: From balloons floating around Paris to 10,000 Santas dashing around Liverpool
Nelson Mandela dies: World mourns the death of South Africa's first black President
Nelson Mandela: From release to retired President of South Africa
Nelson Mandela: Family life
Nelson Mandela: From birth to prison on Robben Island
UK Weather: Residents see cliff homes destroyed
Picture of the Day: UK December 15th
Picture of the Day: UK December 14th
Picture of the Day: UK December 13th
Medical marvels: The recipients of full face transplants hail the miraculous procedure
Picture of the Day: UK December 12th