close up view of the bark of an elephant's trunkthe bark of an old tree is browncloseup of the bark on a palm treePalm tree barkcloseup of tree roots with dirt on the groundPalm, tree bark, detail, tree, trunk, bark, surface, fissures, forms, structure, brown, background, Spain Stock Photo - Alamythe bottom of a large tree with brown and white stripes on it's trunk