After the end of the Cold War, the spectre of an apocalyptic end to civilisation has retreated somewhat but, as new powers arise and global environmental threats increase, the potential for conflict is always there.
Berlin-based artist Michal Zak has created these incredible collages offering up a bleak vision of what major world cities would look like in the event of disaster. Buildings collapse into the sea while flames lick the dark skies in scenes of horror.
We've picked our favourite 10 below; to see the full set head to Michal's website.
(Images: Michal Zak)