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.

Friends apartment ny hi-res stock photography and images - Alamy

Friends Apartment Building in New York

Matthew Perry fans flock to 'Friends' apartment in NYC

Friends' Fans Pay Tribute to Matthew Perry Outside Show's Iconic NYC Apartment Building, Friends, Matthew Perry

The Revealing Reasons That People Visit the “Friends” Building

Matthew Perry fans flock to 'Friends' apartment in NYC

The Revealing Reasons That People Visit the “Friends” Building

Friends apartment building hi-res stock photography and images - Alamy

Friends Apartment Building in New York

The New York Building Inhabited Entirely by Creative People - The New York Times