During this pandemic, curating art exhibitions has become an exercise in uncertainty, with curators’ heads spinning as restrictions change from day to day. Since London’s National Gallery reopening on July 8, followed by the Tate Museum galleries on July 27 and Victoria and Albert Museum on August 6, tickets have remained unclaimed by people reluctant to visit. Curators have become more creative, changing communication and modes of gallery exhibition. To make visitors feel safe, reservations for timed tickets, required masks, social distancing and temperature checks have become the norm…