a boy back and cool book. more than forty one thousand people live in cool books. first we'll take a short stroll through the city to the market square one of the most beautiful squares in the various. we continue on to the a book castle for a long time cool book was one of the capitals of the duchy of sex a cool book and cool to the city was a meeting place of the european aristocracy the british royal family also has its roots here. a big topic in all the fun is the beer the region has the highest brewery density in the world the one million inhabitants have about two hundred breweries and more than one thousand different beers to choose from many paths lead from beer tap to