How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival How much do you know about the customs of the winter food festival Produced by Volkswagen Heze Planner/Editor/Design: Nan Xiangwei