hamaren activity park green pines trees aerial top view with curved treetop walk. traveling, architecture and beauty in

above activity park adventure aerial alpine architecture autumn beautiful birdseye bridge culture curve design drone fall forest fyresdal fyresvatn geometric green hamaren high hiking journey landscape mountain nature nobody norway norwegian outdoor outdoors path scandinavia scenery scenic summer telemark tourism trail travel tree top view trees treetop walk walkway wood pines curved traveling beauty concept image europe