ASTOUNDING is one way to describe Bayern Munich’s Allianz Arena. The sheer size and audacity of the building is like something from another universe. You can quite easily compare it to a recently-landed space ship, one that is sitting on the outskirts of one of Europe’s most appealing and civilised cities, observing life forms found in the cheerful beer halls. The stadium was designed by the architecture industry’s über-aesthetes, Herzog & De Meuron. The Swiss company, based in Basel, has presided over some outstanding projects, making genuinely beautiful stadiums that break all the rules of conventionality. The Allianz cost € 340 million to build but the local state incurred more than € 200 million more to develop the neighbourhood and improve infrastructure. FC Bayern,…