bay beach cliff coastline Cornish cornwall England english exercise fence footpath Great Britain handrail inlet nature ocean path post rail route sand sandy sea shore stairs steps track trail view walk water waves Australia boiling chill choppy cloudy cold crashing cyan flow flowing foam front gloom Morning restless rock rugged severe short exposure splash stormy streak swirl swirling Sydney unrest wash wave anchorage blue bluebells boat campion cloud flowers green harbour hillside Hyacinthoides island natural Pembrokeshire rocky shelter Silene Skomer sky united kingdom wales welsh wild yacht cannon capital castle city clouds defence defences defense defenses Edinburgh flag flower fort fortress garrison hill precipice rampart scotland soldier sun tree trees wall walls white Armeria clifftop granite granitic hard headland plants rocks thrift tide austere bare bleak boulder canada crack crevasse dangerous difficult environment extreme face fissure forbidding freezing frozen glacier harsh high ice icy mountain mountainside Rockies Rocky Mountains snow stern cove incoming racing red campion Silene dioica admire calm coast company couple Gower hike hiker landscape peace together Trek trekker two uk walker