id	keyword
esrj-108083	rock
esrj-108083	stone
esrj-108083	area
esrj-108083	desertification
esrj-108083	stone desertification
esrj-108083	soil
esrj-108083	restoration
esrj-108083	graphite
esrj-108083	problem
esrj-108083	environment
esrj-108083	southwest