Adam Gopnik, cycling around Central Park in New York, explains why going round in circles suddenly appears not futile, but fortunate.

In the midst of the pandemic, Adam - like thousands of other New Yorkers - has taken to cycling round the park on a daily basis.

"The truth, revealed at the end of one more revolution is simple," he writes. "We feel lucky to be alive. That may be the one truth we didn't know before, or didn't know enough."

Producer: Adele Armstrong