era-images is a selection of photographs by Dr Colin Harris, Environmental Research and Assessment (ERA) Ltd (, an environmental and mapping consultancy located in Cambridge UK. Many photographs were taken on assignment in Antarctica or Africa, or when travelling. era-images spans the globe and more than 30 years. Some photographs have been acquired in extremely remote locations, particularly in Antarctica, and offer a unique glimpse of sites visited only rarely. Note: the bird watermark will not appear in purchased images.