Flight attendants hold a large-size air ticket at the maiden flight ceremony of a newly introduced airport helicopter shuttle service on a helipad in downtown Shenzhen, south China's Guangdong Province, March 18, 2021. The Shenzhen civil aviation authority on Thursday launched a helicopter shuttle service between Shenzhen Bao'an International Airport and Futian District, the city's central business district. The flight route passes many urban landmarks of Shenzhen, and travel time can be as short as 10 minutes. At present, the service is provided only to passengers arriving from Beijing Daxing International Airport. [Photo/Xinhua]