1. A walk to every block on the island of Manhattan (October 2011 - May 2012)
2. Walks following the routes of all the water tunnels in New York City. (June 2012 - )
3. Other explorations of water and cities (November 2014 - ) 4. Scientific devices
Saturday, June 23, 2012
June 8, 2012 - Shaft 23b, Shaft 17a, 19th Street Pump Station
