In this July 27, 2007, file photo, tourists visit the Jokhang Monastery, one of the oldest Tibetan monasteries in Lhasa in China's Tibet Autonomous Region. Chinese authorities say they've ruled out arson as the cause of a fire on Saturday, February 17, 2018, that damaged a 1,300-year-old monastery that is one of Tibetan Buddhism's most sacred sites. (Photo by Ng Han Guan/AP Photo)
