Swimming to raise awareness of lake protection... this is the challenge that @noamyaron_ has set for himself. In one month, he will cross five of the largest lakes in Switzerland: Lake Lugano @ticinoturismo, Lake Zurich @visitzurich, Lake Constance @sgbtourism, Lake Lucerne @ilove_lucerne and Lake Neuchatel @jura3lacs. 🏊 #IneedSwitzerland