COVID-19 restrictions have brought a novelty to art lovers: The possibility of seeing Leonardo da Vinci's "Last Supper" without waiting in line, and with same-day tickets possible. Access to the masterpiece housed inside the refectory of the Convent of Santa Maria delle Grazie resumed on Tuesday after the second closure of the pandemic, starting in November amid the virus' resurgence in the Northern Hemisphere's autumn. The famed mural was also closed to the public from February 26 until June 9, with the double closures resulting in an 80 per cent drop in visitors last year compared to the 20...