Rising air bubbles, Algenhaus, Algae House, International Building Exhibition, IBA Hamburg, Wilhelmsburg, Hamburg, Hamburg, Germany, Europe.

AIR BUBBLE • AIR BUBBLES • ALGA • ALGAE HOUSE • ALGAE • ALTERNATIVE ENERGIES • ALTERNATIVE ENERGY • ASCEND • ASCENDING • ASCENDS • BIQ HOUSE • BREED • BREEDING • BREEDS • BUBBLE • BUBBLES • CLOSE UP • CLOSE-UP • CLOSE-UPS • CLOSEUP • DAY • DAYLIGHT • DAYTIME • DETAIL • DETAILS • ECOLOGICAL AWARENESS • ENVIRONMENTAL AWARENESS • EUROPE • EXHIBITION • EXHIBITIONS • EXPO • FLUID • FLUIDS • FOREGROUND • FULL FRAME • FULL-FRAME • GERMAN FEDERAL REPUBLIC • GERMANY • GLASS • GLASSES • GREEN ENERGY • GREEN • HAMBURG • HAMBURG-WILHELMSBURG • HANSEATIC CITIES • HANSEATIC CITY • IBA HAMBURG • IBA • IBAS • INNOVATIVE • INTERNATIONAL BUILDING FAIR • INTERNATIONALE ARCHITECTURE EXHIBITION • LIQUID • MICRO-ALGAE • MODERN • NEW • NO ONE • NO PEOPLE • NO-ONE • NOBODY • NORDDEUTSCHLAND • NORTH GERMANY • NORTHERN GERMANY • NOVEL • PHOTOSYNTHESIS • PHOTOVOLTAICS • RACES • RENEWABLE ENERGY • SEAWEED • SOLAR ENERGY • SOLAR POWER • SUSTAINABILITY • WATER • WILHELMSBURG • WINDOW • WITHOUT PEOPLE • YELLOW