bleak cold harsh hill landscape moor moorland path snow stormy track trail wales welsh winter cliff clouds dramatic heather mountain ridge rock scotland skye steep Trotternish vertical vertiginous bog calm creek evening forest light purple reed river sky sunset swamp Tranquil Scene England grass Great Britain natural nature panorama plant remote sedge view wild croft farm farmstead field highland house isolated poor rocks rural small subsistence desolate distance distant grassland space boat bollard dock iron lash lines metal mooring rope secure ship steel tether tie