A herdsman grazes sheep in a forest of desert poplar in Yuli county, Northwest China's Xinjiang Uygur autonomous region, Oct 25, 2018. Xinjiang has infused 7 billion cubic meters of water to the dry trunk stream of the lower reaches of the Tarim River in 18 rounds of water diversion since 2000, making the local forest of desert poplar a tourist attraction.[Photo/Xinhua]