Hang on, hang on. To hell with the difficulty of getting back, the most exciting thing is happening at the zoo. Cocktails and a disco at London Zoo every Friday in August. True, your journey home won't be the easiest, but there's definitely a night bus that goes up that way. And you could liberate a giraffe and ride it home! Dances with Wolves, and Tigers and Lions and Monkeys, and Mojitos...