Oton Jugovec, Floating Roof (1970). Cover for Archaeological Findings of the Gutenwerth medieval settlement at Otok Pri Dobravi, the region of Dolenjska. The field and the ruins of the old church remain almost intact. The old walls are sunk below the ground level. Two columns, representing the point of contact between the roof and the ground, bear a wooden pole construction with steel diagonals, supporting the slender construction of a thatched roof. form, geometry.
How on earth would you feed a city of over 200,000 people when the land around you was a swampy lake? Seems like an impossible task, but the Aztec managed it by creating floating gardens known as chinampas, then they farmed them intensively.