A rescuer participates in the searching mission for the 12 teenagers and their football coach who went missing in Mae Sai, Chiang Rai province, in northern Thailand, July 2, 2018. Twelve teenagers and their football coach, trapped in a cave in northern Thailand for nine days, have been found alive on Monday night, Narongsak Osottanakorn, governor of Chiang Rai province said. (Xinhua/Rachen Sageamsak)