A UFO alien invasion, as flying saucers attack a major Earth city.

3D • ABOVE • ALIEN • APOCALYPSE • ARCHITECTURE • ARMAGEDDON BATTLE • ARMAGEDDON • ARTWORK • ATTACK • BATTLE, ARMAGEDDON • BIZARRE • BLAZING • BLOWING UP • BUILDING • BURNING • CITY • CITYSCAPE • CIVILIZATION • COLOR IMAGE • COLOUR IMAGE • CONCEPT • CROWDED • DAMAGED • DANGER • DAY • DESTROY • DESTRUCTION • DEVASTATING • DIGITALLY GENERATED IMAGE • DOOMSDAY • DOWNTOWN • END OF WORLD • EXTRATERRESTRIAL • FANTASY • FIERY • FIRE • FLAME • FLYING SAUCERS • FLYING • FUTURISTIC • HORIZONTAL • ILLUSTRATION • ILLUSTRATIONS • IMAGINATION • INVASION • JUDGMENT DAY • MEGACITY • MEGAPOLIS • MENACE • METROPOLIS • MYSTERY • NO PEOPLE • OUT OF CONTEXT • OUTDOOR • OUTDOORS • OUTSIDE • PERIL • SCI-FI • SCIENCE FICTION • SKY • SKYLINE • SKYSCRAPER • SKYSCRAPER- • SKYSCRAPERS • SPACE SHIP • SPACECRAFT • SPACESHIP • THREAT • TRAGEDY • TRANSPORTATION • UFO • UFOLOGY • URBAN AREA • URBAN SCENE • VIOLENCE • VIOLENCIA • WAR • WITHOUT PEOPLE