In 1990 Polish-Israeli architect Zvi Hecker won the competition for a Jewish School in Berlin with a remarkable proposal. The building was thought as an unfolding sunflower. Its many curving walls and roofs conceal a fragmented world of classrooms, squares and corridors. Hecker refers to the concept of the school becoming a city. This project marked the start of a European chapter for the office because it has its permanent base in Germany ever since.