Moscow is the most populous city in Russia and Europe, offering a unique blend of traditional Russian architecture like the Kremlin with modern skyscrapers.
The White House is the official residence and workplace of the President of the United States.
Buckingham Palace is the London residence and administrative headquarters of the monarch of the United Kingdom.
The Palace of Westminster is an iconic symbol of British history and politics, housing the UK's Parliament.
10 Downing Street, colloquially known in the United Kingdom as Number 10, is the headquarters of the Government of the United Kingdom and the official residence of the First Lord of the Treasury, a post which, since 1905, has been held by the Prime Minister.
The Moscow Kremlin is a fortified complex in the center of Moscow, overlooking the Moskva River to the south.
Number One Observatory Circle is the official residence of the Vice President of the United States.
Clarence House is a British royal residence on The Mall in the City of Westminster, London.
Rashtrapati Bhavan is the official home of the President of India, located at the Western end of Rajpath in New Delhi.