Tourists alight from a helicopter after an aerial tour of Xiazhu Lake National Wetland Park in Huzhou, East China's Zhejiang Province on September 29, 2024. The low-altitude excursion route has entered trial operation as the local county combines low-altitude journeys with cultural tourism. The scale of China's low-altitude economy is expected to surpass 2 trillion yuan ($285.24 billion) by 2030. Photo: VCG