Three years ago today was the opening of “Genius loci: spirit of place” of Rachel Grimshaw (UK) AIR 2017. Rachel wanted to use local clay, so armed with Paolo Porelli’s recollection of where he had sourced clay some 20 years earlier, we set off for the Valle dell’Inferno (Valley of Hell). After hours of aimless walking and then exploring an early 20th-century village for kiln-workers, we came upon a construction site for a mall beside the chimney of the Veschi kiln, the sole