We start this week's gallery of readers' pictures on the theme of seven with a picture by Adam Lewis.
John Fotherby: "Seven Polos, seven holes, seven shadows, seven reflections."
Vicky Howard: "Seven curious sheep on a Dorset hillside."
Claire Elford: "The number of my house in Shropshire. What a very bright blue door!"
Stephen Heaton : "An autumnal dusk over the rooftops of Liverpool. The aerial with dish makes a silhouetted seven."
Peter Thody: "A 7-Up branded temperature gauge with reflections of the pool and loungers at 29 Palms Inn, California."
Renate Bahnemann: "Taken on a misty morning in Wimbledon Park."
Paul Wilde: "Parade of seven cygnets with cob and pen on Forge Mill pond in Redditch."
Andy Peacock: "Seven?... can only be the Dwarfs! They all enjoyed posing, but there was one that was a bit bashful!"
Chris Taylor: "This shot of the raging sea was taken a couple of weeks ago on Cromer pier, Norfolk, during a force seven gale."
Wayne Cheesman: "This photo shows the startled expression of a video photographer on the top deck of a number seven London bus as he himself is photographed."
Robert Chadwick: "The Red Arrows at RAF Leuchars in Fife."
What are these?