beach blue boast cloud coast coastline color colour evening holland horizon mauve natural nature Netherlands ocean orange purple sand sea sky summer sun sunset water wave white yellow Balearic Islands conifer dangerous harsh majorca maritime mediterranean pine rock rough rugged Spain spanish spray spume tree waves wild architecture beams building coastal concrete England english Great Britain iron leisure norfolk pier pillars pleasure seaside shore structure supports tide bay cliff coast path Cornish cornwall cove footpath path rocky surf breaking crashing fierce furious incoming inlet pounding powerful stormy surging violent chapmans pool clouds Dorset dramatic grass green isle of purbeck landscape lone lonely purbeck seascapesurf clifftop hard headland hillside rocks view boulders break cliffs crash flowers