Sunset in the Gemels - Mars setting in Gemini - Mars (brightest point) is visible just above the horizon. Higher, the stars Castor and Pollux des Gemeaux. April 2008, Mount Damavand, Iran. April 2008, Spring blossom in a village of Haraz valley, Alborz Mountains. Stars above Mt. Damavand are Gemini and Mars (the brightest)