blue boulder cliff coast danger down drop green height madeira nature ocean plant rock sea sheer shoal shore shoreline vegetation view background garden gray greenery grey layout lichen lichens moss mosses placed placement planned plants rockery rocks selected selective stones terraced textures alps blossom bushes buttercup clouds color colorful country flower grass meadow mountains scenery sky spring summer trees yellow boulders bush granite island islands land landscape Maddalena mediterranean natural outcrop rocky rough rugged Sardinia scrub shrub desert fins hoodoos limestone red rust sand Slot Canyons springtime Utah white windows abundance abundant circle compete competition crowd granitic lots many multitude pink profusion round texture Dirt flowers path rock formations trail valley vista active cloud geothermal geothermally hot new zealand Rotorua sulfur sulphur tree vapor vapour vent