Asteraceae blue flower Helianthus Nyberg plant sky summer sunflower yellow cloud dark evening high mountain Romania silhouette tree aircraft airplane cross flying line lines smoke steam bird black chimney crow perch raven roof Rook asphalt brown cliffs green hill side road rocks abstract art artwork attached bright colored colors coloured colours creative-arts decoration decorative edged edges electric-blue external lined ornamental ornamentation outside patterned patterns rectangles red shaped shapes squares streaks style surface surfaces symmetry textures tiled tiles tints wall afternoon blue sky clear day clear sky clear sunshine sunny day sunrise sunset sunshine autumn clear Forrest island lake october city decay grunge grungy painted peeled plank planks paint texture urban urban decay wood