Back to the English capital for an exploration of rail and architecture. We began by exploring the outside and underside of Waterloo station, then took a walk with occasional train trips back and forth along the Monument-Embankment stretch of the District line.
Leake Street, under Waterloo 
Travelator at Bank 
Lower Rupert Street, on The Strand 
80 Strand 
Charing Cross Station 
Cannon Street Station 
Cannon Street