Stock photography, photos: Red Channel Stock photos of Red Channel in a travertine gutter Photograph: © Tomas Kopecny Click for a larger image and more information Keywords associated with this stock photo: Red, Channel, flume, conduit, drain, chute, gutter, rock, boulder, travertine, water, rust, Micinsky, Travertin, Micina, Slovakia, mineral, runnel, flow, stream, ferric, rill, rivulet, travertine