A look at the countries with the cleanest (and dirtiest) hotels, according to a survey: http://on.wsj.com/1wMFgyF
Rio de Janeiro ranked at the bottom of the list with a score of 7.29, followed by London (7.52), Oslo (7.53) and Amsterdam (7.58). Despite its rich tourism offerings, Paris also scored a lowly 7.63, placing it sixth on the ranking of cities with unclean hotel rooms.
Hotel.info provides services for more than 250,000 hotels globally. The company is a member of Germany-based hotel booking portal hotel.de.
If travelers find themselves in an unhygienic room, they should “remain polite but firm and request that the shortcomings be corrected immediately or that they be permitted to move to another room,” the company said in its release.