Tourism can be great for business, but it can irritate some of the locals.
https://www.facebook.com/groups/barcelonaexpatsgroup/posts/8929383323773664
https://www.manchestereveningnews.co.uk/trips-and-breaks/spanish-tourists-warned-6-limit-29952619
https://www.mirror.co.uk/lifestyle/travel/our-city-overwhelmed-drunk-tourists-33355701
https://www.express.co.uk/travel/articles/1002821/barcelona-spain-news-holidays-2018-tourists
https://www.tripadvisor.ca/ShowTopic-g187514-i126-k5074765-Alcohol_on_Renfe_trains-Madrid.html
https://thedigitallabyrinth.blogspot.com/search?q=the+train+in+Spain