Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 10
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 15
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 30
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 32
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 33
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 31
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 46
Ed Yourdon:
Riverside Park, first day of spring, Mar 2011 - 62