Guests and crew members pose for photos in front of the C919 aircraft at a welcoming ceremony on the tarmac of Haikou Meilan International Airport in Haikou, south China's Hainan Province, on Dec. 11, 2024. The Flight CZ6786 took off from Guangzhou, south China's Guangdong Province and landed in Haikou at 12:57 p.m., marking a successful maiden commercial operation on the Guangzhou-Haikou route of China Southern Airlines with China's homegrown large passenger aircraft C919. (Xinhua/Yang Guanyu)