Tourists having sex in the dunes is ruining a Spanish beach
https://edition.cnn.com/travel/article/gran-canaria-tourist-sex-dunes-maspalomas-scn/index.html
Before talking about their manners, it's illegal to be naked in public place and what local government should ban is to throw away garbage ,urination, and defecation. To solve the social issue, such a simple political countermeasures will be effective.
Tourism itself is not bad.
