achtung communicate communication cuidado danger lake no trespassing peligro safety sign signage signs trespass trespassing warn warning waterfront building decay haunted notices private prohibit property restrictions rules spooky wall window footpath forest keep out public red right of way tree trees walk wood ban prohibition staff only trespassers zoo caution dangerous letter wooden access-denied access-limited advice alert appropriate-behavior appropriate-behaviour behave behavior behaviour black denied directions entry-denied entry-prohibited keep-off limited-access no-access no-entry not-allowed not-permitted permission-denied prohibited prosecution restricted restriction unauthorised unauthorized white accident board break broken burglar destroy destroyed enter fence hole larch plank blue brown damaged rough scratches scrathed