Some of the questions raised during the Symposium held at the Institute of Civil Engineers in London on June 12, 1967 were the incentive to go back another 50 years in time to the place where the first hyperbolic concrete tower was conceived as the chimney for a natural draught cooling tower: Heerlen, Province of Limburg, the Netherlands. From that vantage point we view this tall, yet also elegant and fragile structure's future which is always in the here and now.
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