This photo taken on Sept. 19, 2024 shows the check-in counter of the maiden C919 commercial flight operated by China Southern Airlines at the Guangzhou Baiyun International Airport in Guangzhou, south China's Guangdong Province. A C919 passenger aircraft operated by China Southern Airlines took off from the Guangzhou Baiyun International Airport on Thursday, marking the Guangzhou-based airline's maiden C919 commercial flight. So far, China's three major airlines have all started commercial operations with the country's first domestically produced large passenger aircraft. (Xinhua/Deng Hua)