Authorities in Barcelona, fed up with tourists wandering the streets in their swimming costumes, are preparing a massive campaign to convince them to put on clothes when they leave the beach.

巴塞罗那街头不乏身穿泳装四处晃悠的游客，再也看不下去的市政府目前正筹划一个大规模的宣传活动，以劝说游客们在离开沙滩时穿上衣服。

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"We want to make people understand that it's an attitude that we don't like, that it's not banned or punishable but that it's something we don't think is civil," a spokeswoman for the city hall said Friday.

Municipal（市政的） authorities in the seaside Spanish city have already printed posters showing a couple in swimming costumes with a red line across it, along with another couple dressed normally but without the red line.

"In the coming weeks we are going to put up the posters in the metro²（地铁） , buses and in all public areas," the spokeswoman said.

"And the mayor has sent letters to businesses, hotels, bars, restaurants ... encouraging them to download the poster and paste on their walls."

The city hall had no figures on how many visitors walk through the streets in their bikinis, swimsuits or swimming trunks（泳裤） . "It's just a perception（感觉，洞察力） ," said the spokeswoman,

The beaches and cultural attractions of the capital of Spain's northeastern Catalonia region draw millions of foreign visitors each year.