If you want to clean more-than-century-old marble statues of the apostles, you don’t simply use soap and water. Rather, you must spray the figures with a “specialized conservation material” that subsequently dries into a “latex-like layer,” which is then “carefully peeled away,” thus preserving the statue’s original finish. The process “is labor intensive and takes significant time,” according to staff at the Basilica of Saint Mary, a towering and historic minor basilica in downtown Minneapolis. The massive church, which was…

Continue reading with a subscription
Get unlimited access to all our premium content and exclusive features.
Enjoy unlimited access, cancel anytime.
