TAGS: the cleanest places in the world, the cleanest places on the Earth, the cleanest places on the planet, clean places, best places to spend your holidays, discover the cleanest places in the world, best environmental places, the greenest places, most accurate places, places with less pollution, environmental clean places, treasures of nature, natural places, worldwide tourism, Austria, Karnten, Carinthia, Millshtatskoe lake, Klagenfurt, holidays in Carinthia, Carinthia local cuisine, unforgettable taste of Carinthia, the Minimundus park, Landhaus, celtic water, Carinthia the Austrian Riviera, Carinthia the purest and one of the cleanest places on the Earth, Worthersee, best tourism in Austria,