4 years after the giant Arecibo Observatory collapsed, we finally know what happened 

 The Arecibo Observatory collapsed in 2020, and a new report suggests a zinc decay was to blame for its death. 

https://cdn.mos.cms.futurecdn.net/kcguQ8g69UwiCsJUZy7VqV.jpg

https://www.space.com/the-universe/4-years-after-the-giant-arecibo-observatory-collapsed-we-finally-know-what-happened