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Tubewalker: The Tube, on Foot

A Picture: 'A bird's-eye view of my tubewalk around Heathrow Airport on the Piccadilly line'

Google Earth showing my tubewalk around Heathrow Airport
A bird's-eye view of my tubewalk around Heathrow Airport on the Piccadilly line
View source image (1158 x 936 pixels, 0.3 MB)