id	keyword
ertr-666	tourism
ertr-666	emissions
ertr-666	economic
ertr-666	tourism receipt
ertr-666	inflation
ertr-666	co2
ertr-666	consumption
ertr-666	energy
ertr-666	growth
ertr-666	co2 emissions
ertr-666	tourism research
ertr-666	southeast
ertr-666	international
ertr-666	energy consumption
ertr-666	asia
ertr-666	development