Village doctor Zhang Shangbao walks on a path with his medical kit in Tietou Village of Shilou County, north China's Shanxi Province, March 23, 2021. (Xinhua/Zhan Yan)

Village doctor Zhang Shangbao walks on a path with his medical kit in Tietou Village of Shilou County, north China’s Shanxi Province, March 23, 2021. (Xinhua/Zhan Yan)