Aerial photo taken on July 21, 2022 shows China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance at sunset in Southwest China's Guizhou province. Located in a naturally deep and round karst depression in Southwest China's Guizhou province, FAST started formal operation in January 2020 and officially opened to the world on March 31, 2021. It is believed to be the world's most sensitive radio telescope. With FAST, scientists have identified over 660 new pulsars. [Photo/Xinhua]
Aerial photo taken on July 22, 2022 shows China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in Southwest China's Guizhou province. [Photo/Xinhua]
Photo taken with a fisheye lens on July 21, 2022 shows an interior view of China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in Southwest China's Guizhou province. [Photo/Xinhua]
Aerial photo taken on July 22, 2022 shows China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in the early morning in Southwest China's Guizhou province. [Photo/Xinhua]
The long-time exposure aerial photo taken on July 24, 2022 shows a drone performance over China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST), which is under maintenance, in Southwest China's Guizhou province. [Photo/Xinhua]
The long-time exposure photo taken on July 25, 2022 shows a night view of China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in Southwest China's Guizhou province. [Photo/Xinhua]
