In this combo photo, the upper left part shows residents breaking surface ice for water in a lake in Nagarze County, Shannan Prefecture of southwest China's Tibet Autonomous Region; the lower left part shows famers in Gonggar County of Shannan Prefecture using clean tap water; the right part shows a boy drinking clean water in Sa'gya County, Xigaze Prefecture of the Tibet Autonomous Region. From 2016 to 2020, Tibet Autonomous Region invested 4.3 billion yuan (about 657 million U.S. dollars) in drinking water projects, improving 17,581 rural water projects. Now, clean drinking water has become a reality for around two million residents. (Xinhua)