 However, since the fall of Communism, most of the mines have become disused.This has resulted in mass migration to Tirana and larger, more industrial centres.Its cathedral, Katedralja e Jezusi i Vetmi Shpëtimtar i Botës, is the episcopal see of the Roman Catholic Diocese of Rrëshen, which was created in 1996 by promoting the Territorial Abbacy of Shën Llezhri i Oroshit from Territorial Abbey to a bishopric.