By cons at the Roman orgies had already invented After! Strangely Idéfix not part of the trip! Was it to comply with the quarantine of pets when crossing the border? (And avoid remarks Swiss picky readers with the Regulation). This album is also the only one where a Roman participates in the final banquet.
Apart from the customs which have made themselves more discreet, cleanliness and banks are still relevant. A detail, "drinking in Switzerland" is not, as Goscinny said, drinking alone: in Switzerland, even when paying a tour each participant pays their consumption and there are as many rounds as drinkers (QED).