Refrain from Using Polythene sign, Pasikudah Bay, Eastern Province, Sri Lanka, Asia

A warning sign stating that the road can be closed seasonally, Coconino National Forest, Arizona, United States of America

Warning Snakes sign, Watch out for snakes, rural Victoria, Australia, Pacific

Passenger leaving the underground in the "Monument" Station, Mind the Gap, London, England, United Kingdom, Europe

Social distancing concept public areas