No Fun warning sign, Stanley, Hong Kong Island, Hong Kong, China, Asia

A cockling sign at Hest Bank on Morecambe Bay, Lancashire, England, United Kingdom, Europe

A fisherman on the River Ribble at Preston, Lancashire, England, United Kingdom, Europe

Sign prohibiting horse riding on private roads, sign grown into a tree

Beach signs prohibiting swimming and warning of strong currents at the beach on the north shore of Oahu, Hawaii, USA, North America

Double yellow line on a street with traffic barriers and 'Road Closed' sign, Connecticut, United States of America

Sign Prohibiting Animals On The Beach, Valizas, Uruguay

Do not enter sign in rural landscape, Oregon, Oregon, USA

No Parking painted on wall

Keep Out sign on fence

Traffic light and Do Not Enter sign on pole

Stop sign on fence