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

Police car in Times Square, Midtown, Manhattan, New York City, New York, United States of America, North America

Times Square, Manhattan, New York, New York State, United States of America, North America

Times Square, Manhattan, New York, New York State, United States of America, North America

NYPD police car parked at Times Square at night, Manhattan, New York, United States of America, North America

Police car on Broadway, Manhattan, New York City, New York, United States of America, North America

Policemen performing changing of guards ceremony in front of La Moneda Palace, Santiago, Santiago Metropolitan Region, Chile, South America

Policemen performing changing of guards ceremony in front of La Moneda Palace, Santiago, Santiago Metropolitan Region, Chile, South America

Policemen performing changing of guards ceremony in front of La Moneda Palace, Santiago, Santiago Metropolitan Region, Chile, South America

Policemen marching to La Moneda Palace for changing of guards ceremony, Santiago, Santiago Metropolitan Region, Chile, South America

Community police officers on horseback in Trafalgar Square, London, England, United Kingdom

Metropolitan Police car outside Buckingham Palace in emergency state, London, England, United Kingdom, Europe

New Scotland Yard, Headquarters of the Metropolitan Police, Westminster, London, England, UK

Metropolitan Police Headquarters, New Scotland Yard, London, England, United Kingdom, Europe

An armed policeman outside the House of Commons, Houses of Parliament, Westminster, London, England, United Kingdom, Europe

A police photographer photographing protestors at the Climate Camp protest against airport development at Heathrow and the village of Sipson that would be demolished to make way for a third runway, Greater London, England, United Kingdom, Europe

An armed policeman outside the House of Commons, Houses of Parliament, Westminster, London, England, United Kingdom, Europe

Police protecting the House of Parlaiment from climate change protestors on a rally in Parliament Square in December 2008, London, England, United Kingdom, Europe

Police bikers policing at a climate change rally in London in December 2008, England, United Kingdom, Europe

Police cyclists policing at a climate change rally in London December 2008, London, England, United Kingdom, Europe

A police car speeding through the streets of London, England, United Kingdom, Europe