In fact , a 200-year trend of migration into northern Gansu from overcrowded lands in south and central China has shifted sharply into reverse , with tens of thousands of farmers being relocated , some as far away at Heilongjiang , in the northeast .
Heilongjiang
China
/location/administrative_division/country
China
Heilongjiang
/location/country/administrative_divisions
China
Gansu
/location/country/administrative_divisions
China
Gansu
/location/location/contains
China
Heilongjiang
/location/location/contains
Gansu
China
/location/administrative_division/country
LOCATION
Gansu
LOCATION
China
LOCATION
Heilongjiang