Rugged volcanic rock formations and tide pools at Mosteiros, Sao Miguel beach under a cloudy sky

volcanic coast mosteiros sao miguel tide pools ocean waves natural landscape rugged terrain cloudy sky black sand rocky shoreline remote location azores natural beauty coastal scenery geological features untouched nature basalt rocks atlantic ocean outdoor adventure scenic view tranquil scene dramatic coastline coastal rocks nature preserve tourism destination landscape photography environmental conservation volcanic island geological interest marine ecosystem coastal ecosystem serenity water movement reflection grey clouds nature exploration travel destination panoramic view environmental beauty lush coast seaside island life water texture ecotourism unique landscape coastal formation overcast weather seascape volcanic activity