It also led Mr. Gao to train in Lanzhou , the city in northwestern China that is the ancestral home of these hand-pulled noodles , to master the technique .
China /location/location/contains Lanzhou
PRP RB VBD NNP NNP TO VB IN NNP , DT NN IN JJ NNP WDT VBZ DT JJ NN IN DT JJ NNS , TO VB DT NN .
China
LOCATION
Lanzhou
LOCATION
/location/location/contains