冬至暖意浓！海淀市监“跨界”包饺子，与骑手、居民共叙邻里情

Group 1 - The event organized by Haidian District Market Supervision Bureau and Haidian Street aimed to celebrate the winter solstice with community members through a dumpling-making activity [1][3] - The community cultural officer shared the origins and significance of the winter solstice, along with interesting folk stories related to the festival, setting the tone for the event [3] - Participants engaged in various roles during the dumpling-making process, fostering a sense of community and warmth as they shared personal stories and laughter [3]