The London Underground stations just a five-minute walk apart - but no line linking them
Sometimes, the London Underground map can make it seem like two stations are miles apart when they're actually a short walk ...
Kotaku7mon
London Underground Simulator - World of Subways Vol.3
The Circle Line is an underground service of the London Underground circling the center of London. It was first described as such in 1949 and already appeared on the 1947 Underground Map.
BBC6mon
What's the busiest tube station? Test your knowledge and explore London Underground facts in this quiz!
The first stretch of the Metropolitan District Railway, from South Kensington to Westminster - now part of the District and Circle lines ... The London Underground map was created in 1933 ...