Ice sculptures wow crowds at Harbin festival in ChinaPublished6 January 2015Image caption, In Harbin, China, some of the world's most amazing ice sculptures are on display at the International Ice and Snow Festival.Image caption, The festival started in 1963 and is the largest annual winter festival of its kind.Image caption, Over 7,000 artists and workers help to build the attractions, using huge ice blocks from the local Songhau River.Image caption, Hundreds of thousands of people from across the region travel there to get a look at the unique creations and even take a slide.Image caption, Temperatures can hit a very low -16C which is ideal for this colourful chilly maze.Image caption, This very detailed snow sculpture is just one of the many impressive designs.Image caption, The winter wonderland continues for several weeks until February 25.