Police boat display, Guangzhou (Canton), Guangdong, China, Asia

Government buildings, Financial Police Office, Ministry of Foreign Affairs, Art Bridge, Skopje, Macedonia, Europe

Police launch, Hudson River, New York City, United States of America, North America

Carabinieri armed police security in Venice, Italy

A police launch on the River Thames, passing the Tower of London, UNESCO World Heritage Site, London, England, United Kingdom, Europe

View of the City from the South Bank of the Thames, London, England, United Kingdom, Europe

Police Scenes of Crime Officers investigate a murder scene on the banks of the river Kent near Kendal, Lake District, Cumbria, England, United Kingdom, Europe

A householder's attempt to hold bavk the flood waters near Cockermouth's Main street, after the water receded, Cumbria, England, United Kingdom, Europe

Customs boat Oldenburg in front of the German Customs Museum in the old warehouse district Speicherstadt at Hamburg Harbour, Hamburg, Germany

DEU, Germany, Duisburg: Police river patrol boat squad. 25 boats on the river Rhine are on duty to control traffic on the river between the dutch boarder and the town of Bonn. They control the freight, cruise and leisure boat traffic.

DEU, Germany, Duisburg: Police river patrol boat squad. 25 boats on the river Rhine are on duty to control traffic on the river between the dutch boarder and the town of Bonn. They control the freight, cruise and leisure boat traffic.

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

Special police unit operational rehearsal, accessing a passenger ship on the Rhine River, North Rhine-Westphalia, Germany, Europe

Police boat, river police, inspecting a barge, Rhine River, Kennedybruecke bridge, Bonn, North Rhine-Westphalia, Germany, Europe

Police boat in front of Berlin Central Station at the river Spree, Germany, Europe

Cambodia, Lake Tonle Sap Village, Policeman standing beside road with stop sign.

The Houses of Parliament and Thames, London