The world's first C919 aircraft, and also China's first domestically-developed passenger jet, arrives in Haikou Meilan International Airport, South China's Hainan Province on January 2, 2023. The C919 aircraft launched a 100-hour verification flight on December 26, 2022, flying across 10 airports in 10 provinces and cities including Beijing, Xi'an and Haikou. Photo: cnsphoto