id	keyword
ertr-724	tourism
ertr-724	czech
ertr-724	republic
ertr-724	pandemic
ertr-724	prague
ertr-724	covid-19
ertr-724	czk
ertr-724	hotels
ertr-724	restaurants
ertr-724	government
ertr-724	czech republic
ertr-724	icot.cz
ertr-724	support
ertr-724	research