An outdoor tour of graffiti and street art in Brooklyn/Queens. Bring a lock, a subway card in case you need to bail out, and money for lunch. Helmets are mandatory due to the club's insurance policy. 

Some additional info:

Groundswell NYC: Proof that collaborative art-making can combine the sanctity of personal expression with the strength of community activism to produce unique and powerful outcomes. http://www.groundswell.nyc/projects