1998

1998

2018-12-06T17:42:53+00:00September 4th, 1998|

The first concealment for rooftop

calzavara designs and erects the first rooftop concealing structure, an artificial chimney installed in the Quirinale Palace, capable of containing a whole radio base station. From this date, over 300 rooftop concealing structures have been erected on the domestic and overseas markets.

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