The middle of June is not the best time for photography, as in addition to the sun being too high in the sky, everything in the countryside is the same shade of green. So what's the best colour of locomotive to be heading a train in such conditions? Even the Class 50 is getting in on the green act as 50007 Sir Edward Elgar leads a more conventionally liveried D400 past Lostock Gralam on 13 June 1992 with the SRR/TV50G 1Z36 08:09 Waterloo to Chester 'Court Chester' railtour.