Lush green seagrass islands on the mudflats of the island of Sylt, Germany, Europe

aquatic macrophyte aquatic plants aquatic plant central europe deserted empty europe's europe frg german federal republic germany german green hydrophyte hydrophytic plant islands island land schleswig holstein middle europe nature nobody no one no people nordfriesland northern friesland northern germany north friesland north frisian islands north frisian island north frisian north frisia north germany plants plant republic of germany rich green schleswig holstein seagrasses seagrass islands seagrass sea grass seeweed sylt uninhabited water plant zosteraceae zostera