Tourists wearing Tibetan costumes pose with the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, Aug. 8, 2018. In the first half of 2018, Tibet received about 11 million domestic and foreign tourists, generating tourism revenue of about 12.5 billion yuan (1.8 billion U.S. dollars). (Xinhua/Chogo)

Photo taken on Aug. 8, 2018 shows the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region. In the first half of 2018, Tibet received about 11 million domestic and foreign tourists, generating tourism revenue of about 12.5 billion yuan (1.8 billion U.S. dollars). (Xinhua/Chogo)

Photo taken on Aug. 8, 2018 shows the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region. In the first half of 2018, Tibet received about 11 million domestic and foreign tourists, generating tourism revenue of about 12.5 billion yuan (1.8 billion U.S. dollars). (Xinhua/Chogo)