3. 6.London's bike hire scheme couldn't be simpler, by the way: just go up to the terminal at any docking station, pay by card and take away one of our so-called "Boris bikes". When you're done with it, simply throw it into the nearest canal. They're disposable!
5. Based on a new estimate provided by the government of Dubai, its visitor spending of $31.3 billion this year far exceeds London's estimated $19.8 billion, which comes second.