Does it rain in the pantheon?

The worldwide famous monument known as the Pantheon has a particular aspect to it. It has a big hole in the middle of its dome. With the rainy season the question comes up: does in rain in the Pantheon? It partly does! Because of the shape of the dome and the monument, there is a hot air stream that continuously goes up. In the past, it was increased by the candles that were lit inside.

When it lightly rains this stream of air vaporizes the drops of water before they reach the ground. This is called the “Stack Effect”.

Of course, in case of heavy rain, the water does fall in through the hole, and that’s why on the ground right below the dome, there are a series of holes on the ground that allow the water to run through!

Look for them when you visit the Pantheon!

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