March question answers
pictures marked with * have small and large versions.
pictures marked with $ have two versions to be posted during day
pictures marked with & have three versions to be posted during day
pictures marked with + have been modified and the unmodified versions are in this directory (unmodified to be posted with answer)

Mar01*$+ Holland Park, passageway from lifts to trains
Mar02*+  Snaresbrook, steps from High Street.
Mar03*   Liverpool Street - Old Broad Street building, viewed from entrance to mainline station
Mar04*   Preston Road waiting room
Mar05*$  Pimlico - Rampyne Street entrance
Mar06$   Earl's Court (west end of platform looking north)
Mar07*$  Finsbury Park - cross passage at the northern end of the southbound platforms, Picc on the left.
Mar08+   Gloucester Road Junction (outer rail circle just leaving Gloucester Road, clue is the C stock on the right hand track and the pointwork)
Mar09+	 Embankment (eastbound)
Mar10*+  Baker Street clock on arch between Met and Circle platforms
Mar11$+  east of South Kensington (train running westbound)
Mar12*   Oakwood - siding viewed in the mirror at the SE end of platform 2.
Mar13*+  Waterloo - entrance from passage under mainline platforms, open in peak hours only
Mar14*+  Richmond
Mar15*   Embankment - passage from westbound District Line to Bakerloo Line.
Mar16    Ealing Common (eastbound)
Mar17*+  West Ham - arch from c2c platforms to concourse
Mar18    Tower Hill (eastbound platform 3)
Mar19+   Ealing Broadway
Mar20$   Woodford (looking eastbound)
Mar21*   Stepney Green
Mar22*+  Buckhurst Hill westbound platform
Mar23*   Edgware Road, platform 3
Mar24*$  Kings Cross St Pancras - upper storey of new sub-surface ticket hall from by exit signed to St Pancras
Mar25*+  Ickenham - waiting room on westbound platform
Mar26*$  Canning Town - stairs to disused NLL platforms.
Mar27*+  Willesden Green
Mar28*$  Crossover west of Upminster station
Mar29$+  C stock at Kensington Olympia
Mar30$*  Greenford (east end of westbound platform) [no large version of part 1].
Mar31*   Oxford Circus - ticket bariers not in use.