TLDR:
“Extracting the coins is a spectacle and involves workers from regional utility ACEA balancing on the edge of the vast Baroque fountain, using long brooms and suction hoses.
The coins are then given to Caritas, where they are dried with hairdryers and cutlery dryers and sorted and counted.
Signs around the fountain explain that the change will go to charity - a thought that pleases many of the tourists posing by the landmark.”
They extracted $1.52M in 2022
The Trevi Fountain is an 18th-century fountain in the Trevi district in Rome, Italy.
https://en.wikipedia.org/wiki/Trevi_Fountain
I also want a fountain people throw money into.