Friends' fans engaging in unfriendly behavior at iconic Greenwich Village, New York City apartment - ABC7 New York

Visitors have been flocking to the iconic NYC apartment building where Monica, Rachel, Phoebe, Joey, Ross and Chandler spent their time for decades -- but now there are concerns about some of their unfriendly behavior.

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Friends' fans engaging in unfriendly behavior at iconic Greenwich Village, New York City apartment - ABC7 New York

Friends Apartment Building in New York