1. London gets less rain than New York City.
2. Think you know Big Ben? Think again.
3. More than 10,000 foxes live in London.
4. If you want to drive a black cab in London, you'll need to memorise 25,000 streets, 320 taxi routes and more than 20,000 landmarks.
All black cab drivers have to learn The Knowledge, an in-depth awareness of the London streets and the quickest ways to navigate them. Using only their brains, and absolutely no sat-navs.