Sheep at sunset, October 2015There are many reasons why this photograph, taken at Stoke Prior in Herefordshire, is so terrific. One is the light: the setting sun illuminates the trees, clad in their autumn colours, which contrast against the darkening sky as a storm looms. The Kerry Hill sheep are cast in shadow, but their coats and distinctive panda eyes and black noses appear to pop out of the photograph. The picture also has an elegant linear form, with three clear horizontal