Statue of Sir Winston Churchill, Parliament Square, Parliamentary Buildings in background, London, England, United Kingdom, Europe

Statue of Seddon, New Zealand Prime Minister, outside Beehive and Parliament House, Wellington, North Island, New Zealand, Pacific

Statue of Sir Winston Churchill, Parliament Square, London, England, United Kingdom, Europe

Thingvellir national church and Thingvallabaer, a five-gabled farmhouse, official summer residence of Iceland's Prime Minister, on the banks of River Oxara, Thingvellir National Park, UNESCO World Heritage Site, south-west of Iceland (Sudurland), Iceland, Polar Regions

Colourful building on Mustafa Matohiti Street where the Prime Minister lives, Tirana, Albania, Europe

Parliament Square, Winston Churchill statue and NATO flags, Westminster, London, England, United Kingdom, Europe

Dolphin of the fountain, Piazza Colonna, Palazzo Chigi (residence of the Prime Minister of Italy), Rome, Lazio, Italy, Europe

Palazzo Chigi (residence of the Prime Minister of the Italian Republic), Piazza Colonna, Rome, Lazio, Italy, Europe

Bronze of Margaret Thatcher beside the 1982 Liberation Monument in Stanley, Falkland Islands, South America

Auberge de Castile et Leon, the Prime Minister's office, Valletta, Malta, Europe

Auberge de Castile et Leon, the Prime Minister's office, Valletta, Malta, Europe

Auberge de Castile et Leon, the Prime Minister's office, Valletta, Malta, Europe

Auberge de Castile et Leon, the Prime Minister's office, Valletta, Malta, Europe

Armed policeman guards Number 10 Downing Street, official home of the British Prime Minister, London, UK

Armed policeman guards Number 10 Downing Street, official home of the British Prime Minister, London, UK

Policeman watches red carpet being laid outside number 10 Downing Street, the home of the Prime Minister, London, UK.

Thingvellir national church and Thingvallabaer, a five-gabled farmhouse, official summer residence of Iceland's Prime Minister, on the banks of River Oxara, Thingvellir National Park, UNESCO World Heritage Site, south-west Iceland (Sudurland), Iceland, Polar Regions

Prime Minister's London residence, 10 Downing Street, Westminster, London, England, United Kingdom, Europe

Number 10 Downing Street, official home of the British Prime Minister, London, United Kingdom

Thingvellir national church and Thingvallabaer, a five-gabled farmhouse, official summer residence of Iceland's Prime Minister, Thingvellir National Park, UNESCO World Heritage Site, south-west Iceland (Sudurland), Iceland, Polar Regions

The intricately carved facade of the Nathmal Ki Haveli home, former residence of the prime minister of Jaisalmer and major tourist attraction in Rajasthan, India, Asia

BMW official car of a politician in front of the Hessian State Chancellery, Wiesbaden, Hessen, Germany, Europe

Number 10 Downing Street, Westminster, London, England, United Kingdom, Europe

Germany, Berlin, Facade of the Bundeskanzleramt or Federal Chancellery building which is the official residence of Germany's Chancellor.