Go Gaga or channel Casanova at this atelier, dedicated to the art of masquerade for over 30 years. Sarria's commedia dell'arte masks are worn by theatre companies from Argentina to Osaka – ominous burnished black leather for dramatic leads, harlequin-checquered cartapesta (papier-mâché) for comic foils, starting from around €20. Beyond the masks is a cast of one-of-a-kind marionettes, ready to take their first steps.