Brief summary of today...
First up was the tour of the Colosseum dungeons and upper level.
This is the view from below. We're beneath the covered-over bit you may be familiar with.
Here is a reconstruction of the lift and trapdoor system used to take the animals from below to the arena level.
And a view from the top...
Later that day, I had my hair cut at a place called Machete Barbers (nothing can go wrong)...