Mick Jones of The Clash sings the Clash song "Should I Stay Or Should I Go" in the karaoke-esque club scene, but he appears to get the words wrong. The song goes "If I go there will be trouble. If I STAY it will be double", but he sings "If I go there will be trouble. If I GO it will be double".
The numerous seeming "errors in geography" are actually an intentional artistic choice. Because the film is set in a future where global cultures have become thoroughly merged, Michael Winterbottom purposely blended footage shot in Shanghai, Dubai and Rajastahn so that Shanghai has a desert outside it, etc.
Maria: If we are frightened, we run. It's our instinct. Adrenaline pumps round the body. The muscles contract. Our heart beats faster. And we run. We run for our lives, we run for safety, for our home, our families, our loved ones.