Feature: Listening to cosmos in southern U.S. desert

Dr. Chris Carilli, the Chief Scientist for the National Radio Astronomy Observatory, explains a telescope image in New Mexico, the United States, on Sept. 3, 2018. Laying on a remote desert area in southern United States, a radio astronomers observatory attracts researchers and tourists all over the world. Being one of the busiest telescope on earth, it serves as a facility where many important discoveries were made. (Xinhua/Richard Lakin)