In the mood for a pint? A half litre of beer in London costs about £3.50.
About 12.9m people live in London. It's the number 18 most populous city in the world.
A standard ticket for Transport for London (TFL) costs £6.60 and is good for 24 hr.
Three babies have been born during journeys on the London Underground (in 1924, 2008 and 2009).
Thirsty? A 0.33 litre of bottled water in London will cost you £1.
The geographical area of London is 1623 sq km, ranked number 37 largest in the world.
Campers and hostellers can have a great time in London on £50 to £60 per day.
Travelling couples can enjoy London on about £100 to £230 per day.
It usually rains 164 days per year in London.
The average daytime temperature in London is 4°C in January and 18°C in July.