Würzburg (Franconia, Bavaria, German), Residence of the Prince-Bishops of Wuerzburg, (built from 1720). Main staircase (architect: Balthasar Neumann; frescoes 1752/53 by Giovanni Battista Tiepolo; stucco work after 1755 by L.Bossi). Interior view from the entrance hall of the main staircase. Photo.