Right, well in my story there is a large raised Roman or Moorish-style aqueduct bringing water down from the mountains to a city, influenced by the Pont-du-Gard near Nimes, or the Segovia Aqueduct in Spain.
I am considering having three of the characters attempt to escape a siege via this aqueduct (which the besiegers have either overlooked or left intact, since they are capable of taking the city by force alone and would prefer to leave as much of its infrastructure as undamaged as possible for themselves).
My question is would it have been possible for people to actually enter such an aqueduct via, for example, a bath house and make their way down it without drowning, thus escaping the city unseen?
I am considering having three of the characters attempt to escape a siege via this aqueduct (which the besiegers have either overlooked or left intact, since they are capable of taking the city by force alone and would prefer to leave as much of its infrastructure as undamaged as possible for themselves).
My question is would it have been possible for people to actually enter such an aqueduct via, for example, a bath house and make their way down it without drowning, thus escaping the city unseen?