Felice Tebbe (left) and Gwen Knowles (right) bundled up to attend the class. Both women are grateful for human interaction and an emotional boost.

NEW YORK — JANUARY 23: Gwen Knowles is photographed after a Zumba class outside Prospect Park in Brooklyn, New York on Saturday, Jan. 23, 2021. (Photographs by Calla Kessler/NPR)