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