The Arecibo Observatory telescope in Puerto Rico collapsed just weeks after engineers decided it was too dangerous to repair.
원문출처 : https://www.cnn.com/videos/travel/2020/12/03/arecibo-puerto-rico-telescope-collapse-orig-dp.cnn
원문출처 : https://www.cnn.com/videos/travel/2020/12/03/arecibo-puerto-rico-telescope-collapse-orig-dp.cnn