You are invited by the Lenape Nation of Pennsylvania to a ceremony for the trees at the FDR Meadows. There will be a drumming circle, and participants will be invited to make prayer ties for the trees.

Meet at the Meadows Picnic Grove.
In google maps: 1954 PATTISON AVE. PARK
Enter FDR Park at Pattison and 20th St. / Enter the first parking lot on your right / The Meadows Picnic Grove (aka the Great Lawn) is behind the Club house (blue building)