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CautionPoisonIvy. Schild Caution Poison Ivy bei Mesa Verde National Park Abstieg zum Spruce Tree House Caution Poison Ivy sign in Mesa Verde National Park along the descent to Spruce Tree House own Micha Rieser Released into the public domain by the author Micha Rieser Original upload log page de CautionPoisonIvy Micha Rieser