The southern stars over two photographers on the top of 3060-meter peak Cerro Armazones in the Atacama Desert, Chile. Bright stars Alpha and Beta centauri are in the middle. The Southern Cross (constellation Crux) and the Coalsack dark nebula appear above them and higher up along the Milky Way is Carina Nebula. Cerro Armazones, in the Antofagasta Region of Chile, is the site for the European Extremely Large Telescope (E-ELT), an optical/infrared telescope with a 39.3 metre diameter primary mirror, the largest on Earth. It should be operational in the 2020s.