id	keyword
easat-1731	tourism
easat-1731	environmental
easat-1731	vietnam
easat-1731	protection
easat-1731	waste
easat-1731	plastic
easat-1731	law
easat-1731	villages
easat-1731	development
easat-1731	article
easat-1731	areas
easat-1731	activities