deny fence no-entry permission prohibit sign warning Asia Asian fishermen fishing no fishing sport taipei taiwan bridge motorway no parking park parking dumping no signs Canary Wharf instruction no entry red background brick bricks texture wall 2014 camera communication media photography prohibited choice creative game letter word yes advice alert appropriate-behavior appropriate-behaviour cars clearway communicate danger dangerous denied directions information informing keep-clear law legal no-parking no-standing no-temporary-parking not-allowed not-permitted permission-denied prohibition refusal restricted restriction restrictions risk risks risky road road-safety road-side safety unacceptable vehicles warning-sign white fire flame forbidden hint matchsick pictogramm