Tourism is emerging as a big industry of Himachal Pradesh. This state has a number of cool and beautiful places, rivers, rivulets, lakes, parks and other centres where flowers are in bloom, apart from famed mountains, to attract the tourist. After the threat of terrorists in Jammu & Kashmir a large number of tourists moves towards this state to enjoy the same type of natural beauty. Main tourist complexes are Shimla, Palampur, Dharamsala, kullu-Manali and Chamba-Dalhousi. The Chamba district has been christened as the Switzerland of Himachal Pradesh. Main pilgrim centres are Bhima Kali temples, Sarahan, Hatkoti, Jwalajee, Chamunda Devi, Chintpurni, Renuka, Rewalsar, Deoth Siddh and Naina Devi. The State Tourism Development Board developed many tourist attractions like resorts, water sports complex, hang-gliding etc. The hang-gliding competition at Kangra valley, Khajjar resort at Chamba district and the water sports complex of Solang Nallah are very popular in this state.