Top: A road in Chongqing is jammed with cars as tourists start returning from holiday on Oct 5, 2010. Bottom: A photo taken on Oct 4, 2016, shows more self-tour cars at Huangshan Mountain, the scenic spot in Anhui. （Photo/Xinhua）
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Top: A road in Chongqing is jammed with cars as tourists start returning from holiday on Oct 5, 2010. Bottom: A photo taken on Oct 4, 2016, shows more self-tour cars at Huangshan Mountain, the scenic spot in Anhui. （Photo/Xinhua）
