A tourist visits the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region, on March 22, 2021. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

A tourist visits the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region, on March 22, 2021. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Aerial photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Su Chuanyi)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, initially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

A tourist visits the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region, on March 22, 2021. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)

Photo taken on March 22, 2021 shows the ruins of the Subax buddhist temple in Kuqa City of northwest China's Xinjiang Uygur Autonomous Region. The Subax buddhist temple, intially built in the 3rd century A.D., was once an influential temple in the ancient Qiuci State. (Xinhua/Hou Zhaokang)