ON a warm November weekend morning , some 35 people from Massachusetts , New York , Missouri and Pennsylvania pack the benches of a trolley rolling through Roxbury , a historically black neighborhood in Boston .
Boston
Roxbury
/location/location/contains
Roxbury
Boston
/location/neighborhood/neighborhood_of
Massachusetts
Boston
/location/location/contains
Massachusetts
Roxbury
/location/location/contains
LOCATION
Massachusetts
LOCATION
New York
LOCATION
Missouri
LOCATION
Pennsylvania
LOCATION
Roxbury
LOCATION
Boston