They may look like modern mechanical dinosaurs but they are enormous swiveling eyes that watch the sky.

They may look like modern mechanical dinosaurs but they are enormous swiveling eyes that watch the sky. The High Energy Stereoscopic System (H.E.S.S.) Observatory is composed of four 12-meter reflecting-mirror telescopes surrounding a larger…
http://myfusimotors.com/2019/01/08/hess-telescopes-explore-the-high-energy-sky/