What lesser-known feature of the Colosseum is no longer visible?

What lesser-known feature of the Colosseum is no longer visible? At this post you will find the answer, cheat and solution of Top Trivia Questions. Train your brain and learn new words all while having a great time. Don’t hesitate to write us a comment, if you have any question about this game. We wanna thank you for choosing our site. Have fun and enjoy your time by playing Trivia Quizzes. What lesser-known feature of the Colosseum is no longer visible?

What lesser-known feature of the Colosseum is no longer visible?