Evzons, Greek guards, Syndagma, Parliament, Athens, Greece, Europe

Guard at the Greek Parliament, Athens, Greece, Europe

Pier at Madinat Jumeirah Hotel, Dubai, United Arab Emirates, Middle East

Game guards patrolling on elephant back, Kaziranga National Park, Assam state, India, Asia

Two lions (Panthera leo) patrolling, Tsavo, Kenya, East Africa, Africa

A male lion (Panthera leo) patrolling, Botswana, Africa

Two lions (Panthera leo) patrolling, Tsavo, Kenya, East Africa, Africa

Swimming flag and patrolling lifeguard at Bondi Beach, Sydney, New South Wales, Australia, Pacific

Soldiers on patrol, Jordan

British Para Trooper on patrol in Kabul, Afghanistan, Asia

Armed Pakistani soldiers in open top vehicle with machine gun in village of Pattika, Pakistan

Fishery Patrol ship in the port of Stanley, East Falkland Island, South Atlantic Ocean, South America

Beach master, Male Elephant Seal, South Georgia patrolling the shore

South Polar Skuas (Catharacta Maccormicki) patrolling a colony of Hooker’s Sea Lions (Phocarctos Hookeri). Sandy Bay, Auckland Island, Subantarctic New Zealand.

Killer whale (Orcinus orca) foraging for fish, close to the rocks, on the tip of the Snaefellness Peninsular, Iceland.

Soldiers guarding Parliament building, Athens, Greece

Boat of the water police patrolling on the Rhine river at Duisburg, North Rhine-Westphalia, Germany, Europe

An Australian volunteer firefighter patrolling at first light, Guanaba, Queensland, Australia

Security boat patrolling public water supply