A drone display lights up the night sky above Shuanggui Lake National Wetland Park in Chongqing on July 11, 2025 as part of the first Western China Low-Altitude Economy Expo. /IC

A drone display lights up the night sky above Shuanggui Lake National Wetland Park in Chongqing on July 11, 2025 as part of the first Western China Low-Altitude Economy Expo. /IC

A drone display lights up the night sky above Shuanggui Lake National Wetland Park in Chongqing on July 11, 2025 as part of the first Western China Low-Altitude Economy Expo. /IC

A light show is staged at Shuanggui Lake National Wetland Park in Chongqing on July 11, 2025 as part of the first Western China Low-Altitude Economy Expo. /IC

Visitors view an aircraft exhibition in Chongqing on July 11, 2025 during the first Western China Low-Altitude Economy Expo. /IC

Visitors view an aircraft exhibition in Chongqing on July 11, 2025 during the first Western China Low-Altitude Economy Expo. /IC