canopies of several tree species with a focus on the silver birch leaves

autumn backround bee betula birch blue botanicalgarden bright brilliant canopies canopy canopydeciduous cherry color colorful colors colour deciduous different endemic flower focus garden gentle iranianflora iraniannature iraniantree iron ironwood leaves omorika ornamental parrotia patternedbark pendula persian persica picea pigment plant prunus sakura sakuraflower serbian several side silver sky species spruce tree view wood