beautiful
building
colorful
copper mining
copper mining ruins
crumbling
historical
historical park
keweenaw
keweenaw national historical park
keweenaw peninsula
michigan
mining
national historical park
pretty
quincy copper mine
quincy mine
quincy mine national historic site
ruins
site
stone
upper peninsula
walls
windows
定額
Crumbling walls of the Quincy Copper Mine frame blue sky near Houghton, Michigan. Ruins are part of the Keweenaw National Historical Park.の素材 [FY31019468094]
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