boletus floor forest fungus mushroom nature Poland polish underwood vegetable vegetation berlin fresh germany green grunewald idyllic landscape leaf leaves plants spring teufelsberg trees wallpaper brake clouds fern Fir firs hills horizon nursery sky summer tree wideness brown bushes footprint footprints frosty peaceful snow snowy sunshine trunk trunks white winter animal bush cute dog grass hill meadow moss path pet natural environment Natural landscape nature reserve Northern hardwood forest Old-growth forest outlook perspective road Tropical and subtropical coniferous forests walkway way wood woodland brush brush-wood brushwood grow grown mosssy natural plant soft sunlight tiny underbrush woods