A rainbow appears in the sky after rain in Beijing, capital of China, Aug. 3, 2026. (Xinhua/Du Juanjuan)

This photo taken on Aug. 3, 2026 shows a view after rain in Beijing, capital of China. (Xinhua/Du Juanjuan)

Rainbows appear in the sky after rain in Beijing, capital of China, Aug. 3, 2026. (Xinhua/Du Juanjuan)

This photo taken on Aug. 3, 2026 shows a view after rain in Beijing, capital of China. (Xinhua/Du Juanjuan)

Rainbows appear in the sky after rain in Beijing, capital of China, Aug. 3, 2026. (Xinhua/Zhang Xiaoyu)

This photo taken on Aug. 3, 2026 shows a view of the Lize Financial Business District after rain in Beijing, capital of China. (Xinhua/Zhang Xiaoyu)

This photo taken on Aug. 3, 2026 shows a view of the Lize Financial Business District after rain in Beijing, capital of China. (Xinhua/Zhang Xiaoyu)

This photo taken on Aug. 3, 2026 shows a view after rain in downtown Beijing, capital of China. (Xinhua/Zhang Xiaoyu)

This photo taken on Aug. 3, 2026 shows a view after rain in downtown Beijing, capital of China. (Xinhua/Zhang Xiaoyu)