autumn branch leafless silhouette sky tree branches clouds country countryside evening February grass hill hills landscape leaves nature Poland shadow trees winter woods bush bushes christmas christmas rites herbal medicine herbs kiss mistletoe mistletoes plant symbiont symbiosis symbiote tradition background blue blue sky colorful colors fall leaf forest November orange red sunshine yellow biotope creek ecosystem fauna reflection river scenery scenic tree trunks water wild wodd fall golden green leav october sunlight bavaria clean clear flora germany horizon lake