Ruf Lanz advertising agency launched a campaign to promote Hiltl restaurant in Zurich, Switzerland. Hiltl holds the Guinness world record for being the oldest continuously open vegetarian restaurant in the World. It was founded in 1898 by Ambrosius Hiltl and after four generations it still belongs to the same family. The slogan reads: “Deep down we’re all vegetarians”. What do you think?

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