Chapter

1      IX| inspection of the Colosseum's subterranean chambers and passages, and
2      IX|  above, on the plea that such subterranean excursions made her unwell.
3      IX|       time to inspect all the subterranean passages and chambers of
4      XV| sounds from the depths of its subterranean channel, ending finally
5    XVII| half-light of this mysterious subterranean cathedral, yielded to the