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Hopscotch Trash Can Campaigns : Lucerne Switzerland uses games to inspired citizens to keep the city clean
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Garbage separation to keep the city clean and environmentally friendly. during traditional summer open air music festival Fête de la Musique in downtown Geneva, Switzerland Stock Photo - Alamy
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Stone bridge over clean alpine Aare river with clean water and swiss historical houses on bank in city of BERN BERNE in SWITZERLAND at warm sunny day Stock Photo - Alamy
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