Group 1 - The core event is the launch of Eastern Airlines' MU5429 flight from Shanghai Hongqiao Airport to Chongqing on January 1, 2026, as part of the "Yujian 2026" New Year theme flight [1] - The flight features a special cultural sharing activity where flight attendants from various ethnic minorities, including Mongolian and Hui, introduce their unique New Year customs and traditions to passengers [3] - Passengers are invited to participate in interactive activities and receive exquisite Eastern Airlines cultural products as part of the celebration [3]