In Karachi , Pakistan , a local group began organizing slum dwellers lane by lane in 1980 to build sewer channels to collect waste from their homes .
Pakistan /location/location/contains Karachi
IN NNP , NNP , DT JJ NN VBD VBG NN NNS NN IN NN IN CD TO VB NN NNS TO VB NN IN PRP$ NNS .
Pakistan
LOCATION
Karachi
LOCATION
/location/location/contains