The Thirty Meter Telescope, slated to the be world's largest, has scientists lining up to perform deep-space research. But at the base of Mauna Kea, protestors - or "protectors," as they call themselves - consider it a blight on their sacred mountain. DW's Brigitte Osterath reports from Big Island, Hawaii.
Report: Brigitte Osterath, Hawaii, USA
Presented by Gudrun Heise