29-09-2016 07:06 via denver.cbslocal.com

Watch: Rock Fall Work Done At Mesa Verde’s Cliff Palace

MESA VERDE NATIONAL PARK, Colo. (CBS4) – Workers at Mesa Verde recently had to bring down a large piece of sandstone that came loose over the Cliff Palace dwelling.
(credit: Mesa Verde National Park / Facebook)
“All of these sandstone alcoves are unstable, and small pieces often fall,” Mesa Verde posted on their Facebook page. “When bigger rocks threaten, we try to knock them loose.”
The work at the Cliff Palace was done in August, but the video not posted to their
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