(260429) -- KHIVA, April 29, 2026 (Xinhua) -- People walk in the ancient city of Khiva, Uzbekistan, on April 26, 2026. As one of the ancient cities situated along the Silk Road, Khiva has been a center of education, science and culture, and served as a cradle of civilizations spanning millennia, with Ichan Kala, the inner city of the ancient oasis of Khiva, added to the UNESCO World Heritage List in 1990. (Xinhua/Li Renzi)