sentences:  A set of five on the south side, called the "Bayernfenster", were a gift from Ludwig I of Bavaria, and strongly represent the painterly German style of that date.Externally, particularly from a distance, the building is dominated by its huge spires, which are entirely Germanic in character, being openwork like those of Ulm, Vienna, Strasbourg and Regensburg Cathedrals.One of the treasures of the cathedral is the High Altar, which was installed in 1322.