This picture taken on September 13, 2016 shows a mushroom growing from dung amid buildings in Lulang, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows journalists (L) and government photographers (R) taking pictures of a worker cleaning a bed in a room of the Artel hotel in Lulang, near Nyingchi in China's Tibet Autonomous Region. China has unveiled a sparkling new hotel as part of its drive to get tens of millions more tourists to visit Tibet, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows two workers next to an excavator on the the Lhasa-Nyingchi section of the China National Highway 318 construction, at Milashan pass in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows a man standing at the entrance of an unopened school in Lulang, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows a woman standing in a kitchen of a family hotel in Zhaxiging, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows a tractor next to a construction site in Lulang, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows a man working at a construction site next to the Artel hotel in Lulang, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images

This picture taken on September 13, 2016 shows empty buildings in Lulang, near Nyingchi in China's Tibet Autonomous Region. Tibet tourism officials are hoping to see visitor numbers to increase by nearly 50 percent in the next four years as part of its drive to get tens of millions more tourists to visit, even as critics say the push is slowly eroding the local culture. / AFP PHOTO / JOHANNES EISELE / TO GO WITH AFP STORY CHINA-TIBET-ECONOMY-CULTURE-TOURISM, FOCUS BY LUDOVIC EHRETJOHANNES EISELE/AFP/Getty Images