Aerial photo taken on Sept. 14, 2021 shows the demo flights of two passenger-grade autonomous aerial vehicles (AAV) from EHang, a leading AAV technology platform company, in an integrated airspace in Shenzhen, south China's Guangdong Province. EHang and HELI-EASTERN held a joint press conference Wednesday on building a pilot project focusing on integrated airspace for urban air mobility operations in the Guangdong-Hong Kong-Macao Greater Bay Area. (Xinhua)
