When Israel began building its separation barrier in the West Bank three years ago , it initially concentrated in this area .
Israel /location/location/contains West Bank
WRB NNP VBD VBG PRP$ NN NN IN DT NNP NNP CD NNS RB , PRP RB VBD IN DT NN .
Israel
LOCATION
West Bank
LOCATION
/location/location/contains