The Monumental Garden of Valsanzibio was built between 1665 and 1696 by one of the richest and most important Venetian families, the Barbarigo family, as a solemn vow to God to defeat the Plague of 1630.
Perlite, found on the Euganean Hills, is formed from rhyolitic lavas rich in silica, typical of volcanic environments. When lava interacts with water, obsidian, a glassy form of volcanic rock, …