Scenery of Jiaohe ancient city in Turpan, NW China

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

This aerial photo taken on Aug. 11, 2023 shows the Jiaohe ancient city in sunset in Turpan, northwest China's Xinjiang Uygur Autonomous Region. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

This photo taken on Aug. 11, 2023 shows the Jiaohe ancient city in sunset in Turpan, northwest China's Xinjiang Uygur Autonomous Region. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

A visitor takes photos at the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

People visit the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Aug. 11, 2023. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

This aerial photo taken on Aug. 11, 2023 shows the Jiaohe ancient city in sunset in Turpan, northwest China's Xinjiang Uygur Autonomous Region. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)

This aerial photo taken on Aug. 11, 2023 shows people visiting the Jiaohe ancient city in Turpan, northwest China's Xinjiang Uygur Autonomous Region. Jiaohe ancient city, located in the oasis north of the Turpan basin, was once an important town on the ancient Silk Road, and was listed as one of the first batch of national key cultural relic protection units in 1961. (Xinhua/Ma Ning)