Weekend readers' pictures: Blue

John Chapman : “A railway carriage on the north Norfolk railway between ­Sheringham and Holt” Photograph: John Chapman David Ames : “One of the more ­interesting examples of new architecture in Southampton” Photograph: David Ames Catherine Allen : “Taken on the island of Antigua, where even the walls and phone booths are co-­ordinated and bright” Photograph: Catherine Allen Jonathan Fletcher : “Occasionally we catch a lobster with one of three pigments in its shell colour missing: this is the result” Photograph: Jonathan Fletcher Jonathan Beck : "On a recent walking trip to the Anti Atlas in Morocco I came across the repainting of the 'Blue Rocks', originally painted by Belgian artist Jean Verame in 1984" Photograph: Jonathan Beck V Hinton : "Big box retail at its bluest" Photograph: V Hinton Shaun Soper : "My son Tom and his cousin Simon persuaded me to by them some blue mushy drink. Then they showed me why they liked it so much" Photograph: Shaun Soper Photograph: guardian.co.uk Howard Harrison : "The clear blue sky reminded me of the vastness of the universe against the minuteness of mankind" Photograph: Howard Harrison Richard Thomson : "Cold blue steel ballet costumes from a performance outside St Paul's Cathedral, London" Photograph: Richard Thomson Photograph: guardian.co.uk Claire Morrison : "I was waiting in a car park in Houston, Texas, for my Dad who was in a shop buying some shorts. The suffocating heat made the blues appear even bluer" Photograph: Claire Morrison Photograph: guardian.co.uk