pneumatic architectures

PLANS COMPOSED OF FOUR INTERSECTING CIRCLES 

From Left to Right: 

Yutaka Murata, Pneumatic Poly-Climate Pavilion, 1973 / J. Commelyn, Maze Design, 1676 

Josep Antoni Coderch i de Sentmenat, Trade Building, Plan, Barcelona, Spain, 1965 / Clifford’s Tower, Plan, York, England, 1245-1270