Though the high altitude and harsh climate of the Qinghai-Tibet Plateau lead to physical discomforts, especially the reduced athletic ability due to oxygen deficiency, football game has become very popular among Tibetan students.

Photo shows one hundred and eight students from different primary schools of Lhoka Prefecture attend football games on May 20th, 2014, Tibet. [www.xzsnw.com]

Photo shows one hundred and eight students from different primary schools of Lhoka Prefecture attend football games on May 20th, 2014, Tibet. [www.xzsnw.com]

Photo shows that Tibetan pupils of Palgon Sinopec Elementary School in northern Tibet's Nagqu Prefecture play football on the playground. Located in northern Tibet's Nagqu Prefecture, the Palgon Sinopec Elementary School opened in August 2011 is the world's highest aid-Tibet elementary school with an average altitude of 4,745 meters. [Photo/China Tibet Online]

Photo shows that Tibetan pupils of Palgon Sinopec Elementary School in northern Tibet's Nagqu Prefecture play football on the playground. Located in northern Tibet's Nagqu Prefecture, the Palgon Sinopec Elementary School opened in August 2011 is the world's highest aid-Tibet elementary school with an average altitude of 4,745 meters. [Photo/China Tibet Online]

Photo taken on July 21, 2013 show that little football players are receiving training. During the summer vacation, excellent football players selected from elementary and secondary schools in Lhasa assembled for training, preparing for the upcoming "2013 national youth football summer camp" in the end of July, 2013. [Photo/Xinhua]