Peter Castell's favorite articles

For other languages: ipernity club members may use the integrated translator at the end of this article. (Visitors: Please use DeepL Translator or install an add-on that suits your browser.) Dear members and friends of ipernity, 1) This weekend we are celebrating a 5 years anniversary , as on September 1, 2017, we members took over the operation of this website and thus saved it from disappearing. Since then, we have overcome all challenges. We a…