LEADVILLE, Colo. (CBS4)– Construction started on the Tabor Opera House in Leadville on Wednesday. This is the first major renovation since 1902.

(credit: CBS)

The Tabor Opera House was built in 1879 and has been deemed a national treasure. The $10 million rehabilitation is expected to take years.

(credit: CBS)

The first phase is underway right now by repairing crumbling brick and leaking windows.