Features include self-closing gates, warning signs and life rings.
The block between West 77th and 78th streets also lost a bus shelter and is set for a newsstand.
The unauthorized party drowned out a Shakespeare play that had a permit.
Police don't know who organized the gathering.
Joseph Slifka Park's owner is violating a deal with the city by keeping it closed, officials said.
The long-delayed park at 218th Street and Indian Road is now open to the public.
A new park with an artificial turf field, exercise track and adult fitness equipment will be built.
A large outgrowth of the rash-causing plant has sprouted up just south of Inwood Hill's soccer fields.
The historic, 77-year-old flagpole was toppled over by Fort Tryon Park.
Activists say new regulations will make it impossible for street performers to make a living.
More than 225 residents have signed a petition asking for more patrols during the park's summer months.
The city will fix the playground at P.S. 166 after parents complained about children getting hurt.
Marcus Garvey Park is on the rise while St. Nicholas Park needs help, according to New Yorkers for Parks.
Wind damage to the London Plane tree required it to be cut down, officials said.
J. Hood Wright Dog Run is plagued by owners who regularly break rules and threaten safety.
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