Have you experienced artist Rafael Lozano-Hemmer's Voice Tunnel, inside the Park Avenue Tunnel? Because after today, it will be gone!

Lozana-Hemmer outfitted the 1,400 tunnel with lights and loudspeakers—the tunnel is illuminated with pulsating lights "powered" by visitors' voices.

http://picasion.com/i/1W1uc/

The installation is part of Summer Streets. Man, summer is almost over!