
People watch a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Huang Wei)

People watch a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Huang Wei)

This photo shows a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Chen Cheng)

This photo shows a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Chen Cheng)

People watch a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Huang Wei)

People watch a drone light show in Nan'an District of southwest China's Chongqing Municipality, Oct. 27, 2025. A grand drone light show themed on "People-Centered Smart Cities Towards the Future" was staged here on Monday as a special event for the 2025 World Cities Day China Observance. (Xinhua/Huang Wei)
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