Radio telescope antennas of the ALMA ( Atacama Large Millimeter/submillimeter Array) project are seen in the Chajnantor plateau, Atacama desert, some 1500 km north of Santiago, on March 12,2013. The ALMA, an international partnership project between Europe, North America and East Asia, with the cooperation of Chile, is presently the largest astronomical project in the world. On March 13, 66 high precision antennas will be opened, located at an altitude of 5000 meters above sea level in the extremely arid Atacama desert.