access denied denied no standing no temporary parking not allowed not permitted permission denied prohibited prohibition sign warning alternative black directions parking red signs white communicate communication metal no parking no stopping park signage square stand standing stop stopping tow tow away tow-away tow-away zone written zone amphibian Animals And Pets blue brown Caernarfon close-up Color Image Common Frog day frog horizontal image macro natural pool nature no people outdoors pond Single Object Spawning spring Standing Water water yellow advice alert appropriate-behavior appropriate-behaviour cars clearway danger dangerous information informing keep-clear law legal no-parking no-standing no-temporary-parking not-allowed not-permitted permission-denied refusal restricted restriction restrictions risk risks risky road road-safety road-side safety unacceptable vehicles warning-sign access-denied care caution arrow communicating concern disapproval disapproved prohibitions protect protection roadside rules sun-rays sunlight sunlit symbols