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

Notes: this page shows the additions/revisions made in 2022, see what is being added in 2023 and what was added in 2021, in 2020, in 2019, in 2018, in 2017, in 2016, in 2015, 2014, in 2013, in 2012.