Around the ALMA OSF

View of part of the ALMA base camp, near the Operations Support Facility (OSF), located at 2900 m altitude on the road to the Chajnantor plateau, home of the Atacama Large Millimeter/submillimeter Array (ALMA), the largest astronomical project in existence and the most powerful submillimetre-wavelength radio telescope in the world. In the background, the Salar de Atacama.