How clean are China's subways? They shine like mirrors. So clean, so brand-new.
Here is the video URL：
https://www.tiktok.com/t/ZTfPJ2qNx/
How clean are China's subways? They shine like mirrors. So clean, so brand-new.
Here is the video URL：
https://www.tiktok.com/t/ZTfPJ2qNx/
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Date：2026-10-22
