On certain tube lines, you'll have seen the red, blue and white pattern on the moquette seats. You've probably been able to make out two or three of the London landmarks these patterns represent, but can you name all four?
The fabric was designed by tiny London studio Wallace Sewell, who fought off stiff competition from over 200 other companies, before being picked by TfL in 2010. They also designed the Overground moquette. You can see more of their work on Instagram.
Download your own Londonist moquette.