birch trees without leaves in early spring. small river flow across forest with light in sundown lights. march

backlight bark birch blue botany branch brown cane contryside crown early ecology environment fir flow forest fresh grove landscape leaves light lights log march melt nature outdoor park pattern pine plant river rural scene season shadow silhouette sky small snow spring sunbeams sundown sunnyday sunset texture tree trees trunk twig warmlight water weather wildherbs withoutleaves woodland