NEW YORK (CBSNewYork)Mayor Bill de Blasio and First Lady Chirlane McCray helped beautify a park in Brooklyn on Saturday afternoon.

They joined a group at the Greenwood Playground near Prospect Park.

They helped spread mulch around trees and paint fences.

The effort is part of the City Cleanup Corps, which wipes away graffiti, washes sidewalks and beautifies public spaces across the five boroughs.

CBSNewYork Team