There are no evident samples on display at Petra, the Stone Atelier, a stone showroom and supplier in Valencia, Spain. Instead, sales associates lead clients to a luminous area at the rear of the minimalist space, where glazed offices and conference rooms on each side flank a 7-foot-high circular wall at its center. But as a segment of this ringlike form pivots open, visitors will discover a secret room lined with a contiguous series of discreet flush doors, each opening to reveal a slab of one of 36 varieties of stone, all organized chromatically from light to dark and evenly illuminated from above. Read more about this #RecordInteriors project by @FranSilvestreArquitectos in the September issue and online: https://www.architecturalrecord.com/articles/13615-petra-the-stone-atelier-by-fran-silvestre-arquitectos Text by David Cohn Photo © Fran Silvestre Arquitectos . .. ... .. . #architecture #stone #showroom #Petra #workplacedesign #interiordesign