Two people and child on expansive empty beach backed by stone cottages and rocky shoreTidal mud patterns with deep channels carved through exposed sand flatsWeathered limestone cliff face with deep cave opening and moss-covered rock strataFamily standing on grey stone beach beneath darkening sky and distant hillsClose detail of wet sand with embedded ruler marking scale of erosion patternsIndustrial waterfront with cranes and buildings across Bristol Channel under storm cloudsWalkers descending hillside path with Flat Holm island silhouetted across the seaSteep stone path cutting through bare winter woodland down toward Bristol ChannelSheer columnar limestone cliffs with moss and lichen growth viewed from sea levelLimestone cliff rising above rocky foreshore with heavily stratified geological layersSeaside town with Victorian pier extending into dark calm water beneath brooding skyTowering columnar basalt cliffs with cave mouths and deeply weathered rock surface