Autumn river scene on the River Caerfanell at Blaen-y-glyn, Brecon Beacons National Park, Powys, Wales, United Kingdom, Europe

color image photography outdoors no people nobody day scenic scenery tranquil tranquility rock fall tree seasons brecon beacons caerfanell uk travel travel destinations vertical scenics nature beauty in nature river stream rocks tranquil scene autumn river caerfanell blaen y glyn brecon beacons national park powys wales united kingdom europe