Scent-free trains
Vienna subway travelers have decided that they don鈥檛 want their train rides to be scented. The transport authority tried out four scents, including hints of green tea, grapefruit, sandalwood and melon, in the ventilation systems of four trains on two of the network鈥檚 five lines last month. It said the air quality has already been improved by a ban on eating on trains introduced on all lines in January.
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