If you look in countries such as Spain, they make sure that all of there properties are clean and presentable, painting the buildings every "three or so" years, this makes Spain a more presentable and attracts Tourism, also it influences people to buy or rent properties, helping the economy.
Also Germany is a beautiful country, because of this in both countries, it attracts people to come visit there countries. By getting people to come over to there countries they already gain money to the economy by travil, hospitallity and anything that they do such as socal (E.G musiums or theatres).
If you look at this building, you can see how clean the building is, and well looked after it is, (ignore the writing)
If you look at this building, you can clearly see how well looked after it is, even when it's flats! but in england our flats are a far cry from this