WaterAstrology

9) Constructed on the Palatine Hill by the founding Emperor of the new Severan Dynasty in AD 203, was a famous building no longer there - of which this late 16th Century engraving shows part. One sees the various stories/levels .. a) it was called the ...... ( 1 word)? Its main features were b) ......? ( 1 plural word); and c)........? (1 word) deities.