Most recent disaster movies blame mankind for the imminent end of civilisation they predict. Not so here. It's all to do with a peculiar alignment of the Earth and the Sun as foreseen in ancient Mayan calendars. Tipped off by top geologist Chiwetel Ejiofor, the US president and leaders keep it a secret from common humanity that the Earth's crust is about to disintegrate. Meanwhile, they raise money from the world's upper crust ("People like Bill Gates, Rupert Murdoch and some rich Arabs," according to hippie broadcaster Woody Harrelson) to build arks in China and save the lives of the great and the rich, pairs of animals and the treasures of the Louvre from the oncoming flood. One suspects from ...