Here's a look at some of the most striking images that reveal the major stories from around the world in the past week. An animatronic polar bear is spotted in London to mark the launch of Sky Atlantic new drama. Northeastern US braces for 'crippling' blizzard. Dogs participate in the Siberean Cup dog sled competition at the Millenium ski base in Russia. World leaders mark 70th anniversary of liberation of Auschwitz.