id	keyword
cana-4574	knowledge
cana-4574	heritage
cana-4574	sharing
cana-4574	knowledge sharing
cana-4574	behavior
cana-4574	tourists
cana-4574	protection
cana-4574	tourism
cana-4574	analysis
cana-4574	protection behavior
cana-4574	heritage knowledge
cana-4574	management
cana-4574	model