Danger Warning Sign Abandoned Mine Entrance. Skull And Cross Bones Image Of The Danger At An Abandoned Mine Near Tombstone, Arizona, Usa

KEYWORDS

abandoned advice aged alert area arizona bones caution cave cavern collapse conceptual counsel crisis cross damaged danger dangerous dark dead deadly deep enter entrance exposure fear forewarning frighten hazard image injury jeopardy keep menace mine mineshaft notice old omen peril pitfall possibility probability risk shaft sign signage skeleton skull threat tombstone trapped tunnel uncertainty vulnerability warn warning