Stock photography, photos: Green algea, small lake near Runkur Stock photos of Green algea, small lake near Runkurakay Pass, Inca Trail, Peru Photograph: © Gary Cook Click for a larger image and more information Keywords associated with this stock photo: Alga, Algae, Algal, Background, Bloom, colourful, color, colorful, colour, environmental, ecology, environment, Green, Horizontal, Lake, lago, laguna, Pattern, water, landscape, Mountain, hill, mount, travel, Wetland, flood, floodplain, Peru, latin, peruvian, south america, plain, colored, coloured, south american, tiny, Inca Trail