The biggest hit of the Beijing Winter Olympics has turned out to be the adorable mascot known as Bing Dwen Dwen, a giant panda encased in a suit of ice. People have been lining up for hours to get their hands on the cute souvenir, with stocks selling out within minutes. The "smart cafeteria" at the Olympics also gained popularity thanks to the distinctive foods it served to the athletes. CGTN reporter Yang Xinmeng gives us a closer look.