autumn backdrop background canvas collage colorful colors colours hues layers leaf leaves nature paper series shades tones variation variations fall grunge grungy hue natural shade texture tone various bank bench empty outdoor outside park rest scenic season seat wood aconite cold flower frozen ice Nyberg petal plant snow spring sunshine winter floodplain forest foliage germany green isar river leafs maple munich sunbeams sunburst trees crop cyprus ficus fig fruit harvest tree ash branch branches bright brilliant Fraxinus summer sunlight