Due to concern in regards to the visual appearance of a sacred mountain to Native Hawaiians, the Thirty Meter Telescope has been considered to be built in which alternative site in Spain?
Opposition to the Mauna Kea Observatories:  Opposition to the telescope from residents in the city of Hilo, Hawaii were concerned about the visual appearance of the mountain and Native Hawaiians voiced concerns over the site being sacred to the Hawaiian religion as the home of several deities. Opposition to the Mauna Kea Observatories:  A current proposal for one of the world's largest optical telescopes, the Thirty Meter Telescope is currently the focus of protests concerning the continued development of the mountain Hawaiians consider the most sacred peak in the island chain. Thirty Meter Telescope:  Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain is the alternative site if construction cannot go forward in Hawaii.
Roque de los Muchachos Observatory