Images of the Beijing Winter Olympics mascot Bing Dwen Dwen and its designer reflecting on his creation's popularity. "I didn't expect Bing Dwen Dwen to be so popular," admits Cao Xue. "When I saw Beijing citizens queueing in Wangfujing for hours, I was wondering what they really wanted," he says, adding, "they stood in the cold for hours in the hope of getting hold of something to give them a feeling of warmth." FOR MORE VIDEOS RELATED TO BEIJING WINTER OLYMPIC MASCOT BING DWEN DWEN PLEASE SEE VIDI9YJ6HV_EN & VIDI9YR3QK_EN. IMAGES AND SOUNDBITES