A drone carrying blood takes off for the Shenzhen Traditional Chinese Medicine Hospital from the Shenzhen Blood Center in Shenzhen, south China's Guangdong Province, Jan. 19, 2024. A blood transportation drone platform, the first of its kind in Shenzhen, was officially put into use on Friday. Integrating 5G technology and artificial intelligence, the platform has helped ensure safety and improved efficiency of blood transportation. (Xinhua/Mao Siqian)