autumn fall forest green orange red sun sunbeam trees woodland yellow animal anthlers branch deer deers grass leaf mammal Nyberg tree avenue cold freeze freezing frost ice road straight tarmac winter bark cut felled floor log rings twigs wood creek deep mountains natural nature rocks secret small water waterfall aspen canada deciduous pale populus trunk leaves park parks summer blue Dorset landscape Mineral New Forest pond sky bridge burn cross rock span stone stream highway minnesota mn north northern open