This at least would not be out of character for Rome: Monte Testaccio is an artificial mound in Rome composed almost entirely of testae (Italian: cocci), fragm

This at least would not be out of character for Rome: Monte Testaccio is an artificial mound in Rome composed almost entirely of testae (Italian: cocci), fragments of broken ancient Roman pottery, nearly all discarded amphorae dating from the time of the Roman Empire[.] https://en.wikipedia.org/wiki/Monte_Testaccio https://en.wikipedia.org/wiki/Monte_Testaccio