Washed away: Harrods, London's premier department store, rots among derelict double-decker buses in flood waters caused by the bursting of the Thames barrier

Crown and out: Buckingham Palace sinks into decay

Tower Bridge is falling down: A London landmark crumbles

Rust in peace: Made of steel, the Eiffel Tower, France's monument to the industrial age, teeters

Bear on the subway: Wild animals would roam the streets of New York

New York: Once magnificent skyscrapers would rot away

Last civilisation: The ancient Sphinx and Great Pyramid of Gaza would remain, while modern buildings would crumble

Fall of Rome: The Colosseum is destroyed as Italy's capital is engulfed in flames

Moss-grow: The Russian capital's famous St Basil's Cathedral