Aerial view of the ALMA AOS - 4

This video shows some of the antennas at the Array Operations Site (AOS) of the Atacama Large Millimeter/submillimeter Array (ALMA), on the Chajnantor Plateau in the Chilean Andes. The AOS is located at an altitude of 5000 metres in the Atacama Desert. The aerial shots were taken while the ALMA observatory was under construction.