Two villagers plant trees at an agricultural and husbandry demonstration base in Zhanang County of Shannan City, southwest China's Tibet Autonomous Region, July 23, 2018. The local government has taken great effort to bid for investment on green industry to boost local economy. Fueled by well-established enterprises, about 2,800 residents of 720 households realized a total income growth of 15 million yuan (about 2.2 million U.S. dollars) in 2017. (Xinhua/Liu Dongjun)

Aerial photo taken on July 23, 2018 shows an agricultural and husbandry demonstration base in Zhanang County of Shannan City, southwest China's Tibet Autonomous Region. The local government has taken great effort to bid for investment on green industry to boost local economy. Fueled by well-established enterprises, about 2,800 residents of 720 households realized a total income growth of 15 million yuan (about 2.2 million U.S. dollars) in 2017. (Xinhua/Liu Dongjun)

Two villagers check strawberries at an agricultural and husbandry demonstration base in Zhanang County of Shannan City, southwest China's Tibet Autonomous Region, July 23, 2018. The local government has taken great effort to bid for investment on green industry to boost local economy. Fueled by well-established enterprises, about 2,800 residents of 720 households realized a total income growth of 15 million yuan (about 2.2 million U.S. dollars) in 2017. (Xinhua/Liu Dongjun)

Aerial photo taken on July 23 shows a nursery garden in Zhanang County of Shannan City, southwest China's Tibet Autonomous Region. The local government has taken great effort to bid for investment on green industry to boost local economy. Fueled by well-established enterprises, about 2,800 residents of 720 households realized a total income growth of 15 million yuan (about 2.2 million U.S. dollars) in 2017. (Xinhua/Liu Dongjun)

Villagers work at an agricultural and husbandry demonstration base in Zhanang County of Shannan City, southwest China's Tibet Autonomous Region, July 23, 2018. The local government has taken great effort to bid for investment on green industry to boost local economy. Fueled by well-established enterprises, about 2,800 residents of 720 households realized a total income growth of 15 million yuan (about 2.2 million U.S. dollars) in 2017. (Xinhua/Liu Dongjun)