Why the aviation beacon is being lit on Mt. Diablo summit

Name: Why the aviation beacon is being lit on Mt. Diablo summit
Uploaded: 2025-05-26T19:04:57Z
Duration: 22 s
Description: Why the aviation beacon is being lit on Mt. Diablo summit.

Why the aviation beacon is being lit on Mt. Diablo summit.

Posted May 26, 2025 12:04pm PDT