China dims lights in Chengdu subway to save power as heat soars

Metro stations in Sichuan province's capital city Chengdu have dimmed their lights to save electricity, leaving some travelers in partial darkness as China grapples with a power crunch amid a record heat wave.

source https://www.cnn.com/2022/08/18/china/china-chengdu-heat-wave-power-shortage-intl-hnk/index.html