A visitor takes photos of the flight module of a flying car on display at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A staff member (L) introduces a car on display to a visitor at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A car demonstrates the intelligent driving assistance technology at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A staff member (C) introduces a car on display to visitors at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A visitor (1st R) learns about a car on display at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A visitor (L) learns about a car on display at the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province, on Dec. 10, 2025. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)

A drone photo taken on Dec. 10, 2025 shows a scene of the 21st Changsha International Automobile Expo in Changsha, central China's Hunan Province. The 6-day expo kicked off on Wednesday at the Changsha International Convention and Exhibition Center, showcasing some 1,000 vehicles from over 70 automobile brands. (Xinhua/Chen Sihan)