Alta alatis patent: Low tide at the Boschplaat, Waddense
Alta alatis patent: Breathless reflection and serenity, Waddensea
Alta alatis patent: Net op het randje, Uithuizer wad
Alta alatis patent: Waddensea at low tide
Alta alatis patent: Boschplaat 2016
Alta alatis patent: Ingesloten door meeuwen
Alta alatis patent: Crab gathering under the boat, Boschplaat
Alta alatis patent: Feet on/in the ground/Waddensea
Alta alatis patent: Grote tepelhoren, Waddensea 2014, Langeoog-Norderney GER
Alta alatis patent: Rif hike, centipede
Alta alatis patent: Waddensea at low tide
Alta alatis patent: Lugworm escaped from the mud and the birds, Boschplaat
Alta alatis patent: Gewone zeester - Asterias rubens, Rif hike, starfish trail
Alta alatis patent: Serpent stars at the Boschplaat, Terschelling
Alta alatis patent: Hermit crab hiding
Alta alatis patent: The vulnerable cockle
Alta alatis patent: Kleine heremietkreeft - Diogenes pugilator
Alta alatis patent: Oysterbank of Wierummerwad, Wadden
Alta alatis patent: Oysterbank of Wierummerwad, Wadden
Alta alatis patent: Mussel harvest, Wierummerwad
Alta alatis patent: Cleaning mussels, Wierummerwad
Alta alatis patent: Mussels for diner
Alta alatis patent: Schiermonnikoog, a muddy entrance
Alta alatis patent: Natural colours, Wierummerwad
Alta alatis patent: The Dutch mountainlandscape at low tide at the Boschplaat, Waddense
Alta alatis patent: Sandy wad, Groningen, sep 2008