England, London, Westminster, Protesters marching outside Downing Street lying on ground linking arms.

England, London, Westminster, Protesters marching outside Downing Street lying on ground linking arms.

England, London, Westminster, Protesters marching outside Downing Street.

England, London, Westminster, Protesters marching outside Downing Street.

England, London, Westminster, Protesters marching outside Downing Street.

England, London, Westminster The Houses of Parliament and Big Ben seen from St Thomas Hospital with revolving fountain in the foreground.

England, London, Westminster The Houses of Parliament and Big Ben seen from St Thomas Hospital with revolving fountain in the foreground.

England, London, Wetminster The Houses of Parliament and Big Ben seen from St Thomas Hospital with revolving fountain in the foreground.

England, London, Part view of statue of Winston Churchill with Big Ben behind.

England, London, Detail of door of Number 10 Downing Street residence of the British Prime Minister.

England, London, Big Ben seen behind detail of statue of Sir Winston Churchill in the foreground.

England, London, View along the River Thames towards Lambeth Bridge and Westminster and the London Eye also known as the Millennium Wheel beyond.