Pictures of the week: From baby hippos to massive snowfall across the UK18 January 2013 at 7:49 amLink copiedRead full article1 / 5An adorable baby pygmy hippo, Zola, is nudged along by its mother Zsa Zsa in Lowry Park Zoo, Florida (Caters)Helpful nudge: An adorable baby pygmy hippo, Zola, is nudged along by its mother Zsa Zsa in Lowry Park Zoo, Florida (Caters)Here's our pick of the pictures from around the world which made the headlines this week