*DRCLAS Brazil Studies Program Seminar* *On the border of paradise. Rio de Janeiro and its water supply, 1550s to 1850s* *Jorun Poettering* Feodor Lynen Research Fellow, Harvard University Thursday, May 1, 12:00 p.m. CGIS South Building, Room S-050, 1730 Cambridge Street, Cambridge This event is free and open to the public, and registration is not required. A Brazilian lunch will be served.