地上から見たCupola。

The Cupola from the ground level.

こんな上までどうやって装飾したんでしょう？？最終的にはてっぺんの丸いところまで昇れる。

I wonder how they decorated this high, high, high ceiling! If you go up the long steps, you eventually end up being the circular part of the Cupola's top.