id	keyword
cye-4833	environmental
cye-4833	school
cye-4833	green
cye-4833	children
cye-4833	students
cye-4833	school environment
cye-4833	attitudes
cye-4833	education
cye-4833	chinese
cye-4833	spaces
cye-4833	activities
cye-4833	perception
cye-4833	nature
cye-4833	behavior
cye-4833	peb
cye-4833	study
cye-4833	journal
cye-4833	studies
cye-4833	research