Weekend readers' pictures: Shape

Ciaran O’Reilly: “For some reason, my 18-year-old daughter bought these potted herbs one day and left me to babysit them while she went on ­holiday. I was struck by their ghostly silhouette behind the roller blind" Photograph: Ciaran O’Reilly

Sadie Maskery: “Two very loved ­moggies sleep in an appropriate heart formation” Photograph: Sadie Maskery

Graham Darlington: “A stunted tree that takes the full blast of the wind on ­Morecambe Bay” Photograph: Graham Darlington

Liz Youngs: “Inside a wonderful cave in Morocco, I looked up to see the entrance was like the shape of a map of Africa – very appropriate” Photograph: Liz Youngs

Will Hart: "Izaak celebrating reaching the summit of the Black Hill high above the Monnow Valley with Wales to the left and England to the right" Photograph: Will Hart

Cate Warde: Mickey the Shetland pony making his way through the sand and sun, casting a shadow as he goes" Photograph: Cate Warde

David Dorkings: "It was a remarkable experience how, amid the noisy hoards of tourists at the Vatican Museum, this stairwell created its own tranquility by its elegance and proportions" Photograph: David Dorkings

Stephen Davies: "The shape of a leaf left in the road markings on a Leeds street" Photograph: Stephen Davies

Dee Murphy: "Rainbow effect from a ski slope in Les Gets, France" Photograph: Dee Murphy

Felicity Straker Graham: "My cat, Radar, caught dozing in the sun on the landing" Photograph: Felicity Straker Graham

Nicholas Alp: "An elegantly shaped turret on an otherwise shockingly ugly power station of a church in Malta" Photograph: Nicholas Alp