The film's very reason for existence is tied up in those effects and the spectacle of giant robots fighting giant robots (and also giant monsters, eventually) and destroying giant cities. (dallasfilmnow.com)
In giant cities and smaller suburbs.» (variety.com)
Or maybe simply ask how the huge tribes of the descendants of Hebrew immigrants supposedly built giant cities, lived in them for a thousand years, yet managed to leave not a single scrap of archaeological evidence behind? (religion.blogs.cnn.com)