Watch unreal drone footage of Arecibo Observatory's catastrophic collapse - CNET

A drone was filming above the site in Puerto Rico when the final disaster struck.

The National Science Foundation released stunning video footage Thursday capturing the exact dramatic moment the Arecibo Observatory's 900-ton platform fell into the 1,000-foot wide dish below.

A drone happened to be performing an up-close investigation of the cables that still held the platform above the dish as the cables snapped on Tuesday.

The video of the massive radio telescope shows both the drone footage and the view from a camera in the visitor center that shows the platform falling into the dish just above the jungle floor in Arecibo, Puerto Rico.

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