EditorialIgnazio Carlo Raucci, a restorer, steam cleans one of the frescoes inside the House of the Vettii at Pompeii, Italy, on Feb. 23, 2022. (Roberto Salomone/The New York Times)
EditorialIgnazio Carlo Raucci, a restorer, steam cleans one of the frescoes inside the House of the Vettii at Pompeii, Italy, on Feb. 23, 2022. (Roberto Salomone/The New York Times)