Weathered concrete and metal barrage structure with parallel railings and corrosionRed lifeguard tower on exposed tidal flats with calm water and distant Bristol ChannelWooden pier with red building, moored sailboat, and concrete lock gates at Cardiff BayCream seaside shelter pavilion on pier with turquoise railings overlooking tidal flatsWater rushing through barrage lock gates creating turbulent white foam in concrete chamberMurky brown tidal water trapped between concrete barrage walls and gatesIndustrial concrete and metal barrage infrastructure with weathered surfaces and corrosionWooden pier spanning brown tidal flats with red building and lock gates, calm watersWooden seaside promenade with visitors on benches, cream pavilion, and pier railingsRusted metal railings and weathered wooden pier structure with tidal water beyondPink lifeguard tower on stilts on exposed tidal flats at Cardiff Bay with distant industrySmall sailboat anchored in tidal water between dark wooden pier pilings and gates