branches bushes cold forest frozen ice nature path scenery snow sunlight tree trees whithe winter blue clouds evening freeze light sky wood aquatic brackish coastal ecosystem estuary India mangal mangrove mangrove forest mangrove swamp marine Rhizophora Rhizophoraceae saline shrubs atmospheric berlin clearing forest glade germany glade grunewald horizon landscape leaves loneliness meadow moody outlook perspective relax rural scene scene scenics shadow solitude summer sunshine Tranquil Scene woodland aspen aurumn birch fall vivid woods autumn equitation grass horse Horsewoman moss natural oak ride spruce untouched wild