Did the Romans actually have naval battles in amphitheaters (naumachia) and, if so, how did they look like and how did they succeed in flooding the whole Colosseum (or other amphitheaters)?

by Netko_
jschooltiger

Hi there, this is a previous thread with an answer from /u/searocksandtrees that includes some links about the Colosseum. This is not to discourage further comment -- we need more info on this -- but it may get you started.

http://www.reddit.com/r/AskHistorians/comments/20vgac/flooding_the_roman_colosseum/