39.1 x 39.1 cm. (15.4 x 15.4 in.) ...

The COVID-19 pandemic isn’t over, but museum and gallery exhibitions are getting back on track.

This was a year whose high points included Joan Jonas’s luminous survey, the extravaganza “PST ART,” and the 24-karat beauty of a show “Siena: The Rise of Painting, 1300-1350.” By ...