Donaustauf, 15 km to the east. The interior, which is as rich as coloured marble, gilding, and sculptures can make it, contains the busts of more than a hundred German worthies. The second of King Ludwig's buildings is the Befreiungshalle at Kelheim, 30 km above Regensburg, a large circular building which has for its aim the glorification of the heroes of the 1813 War of Liberation