The words "clean" are so simple to hear, even the most basic professional qualities of many people, but this is something that many people can't do, especially in the face of the temptation of interest. These two words are simply vulnerable. This is especially true for governments that manage a city or even a country. The corruption of corrupt officials in the world over the years can be counted. Of course, there are some very good examples. These countries have always been very clean. The Corruption Perceptions Index ranks among the top in the world all the year round. The next thing to say is the place to become the first country of cleanliness in the latest list, that is, Denmark. .