Photo taken on July 5, 2022 shows a pipe system at No.3 ancient building of the Yueyang archaeological site in northwest China's Shaanxi Province. (Photo provided to China News Service)
A flush toilet dating back to 2,400 years was unearthed at the Yueyang City Ruins in Shaanxi, marking the first and only flush toilet to be ever unearthed in China.
Photo taken on Aug. 22, 2021 shows a remain of a tile unearthed from the Yueyang archaeological site in northwest China's Shaanxi Province. (Photo provided to China News Service)
File photo taken on Nov. 29, 2021 shows the Yueyang archaeological site in northwest China's Shaanxi Province. (Photo provided to China News Service)
File photo taken on Oct. 3, 2021 shows a remain of a tile with plant pattern unearthed from the Yueyang archaeological site in northwest China's Shaanxi Province. (Photo provided to China News Service)
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