All images © by Roberto Piperno, owner of the domain. Write to romapip@quipo.it.

Notes: this page shows the additions/revisions made in 2021, see what is being added in 2022, what was added in 2020, in 2019, in 2018, in 2017, in 2016, in 2015, 2014, in 2013, in 2012.