The Circular Chess Boards of the Druids

A week ago I posted The '3D Render' Style (April 2024; aka 'Buddhists play chess'). There I started,

Let's continue with the religious theme. Three weeks in a row make a trend.

Four Weeks in a row make a wedding photo of my three brothers and me. And following the principles espoused by Non sequiturs 'R' Us, that brings us to the subject of Druids.

'Druids play chess'
AI Comic Factory

What exactly is a Druid? In Druid (wikipedia.org), Wikipedia starts by saying,

A druid was a member of the high-ranking priestly class in ancient Celtic cultures. Druids were religious leaders as well as legal authorities, adjudicators, lorekeepers, medical professionals and political advisors. Druids left no written accounts.

Following the link for 'Celtic cultures' brings us to Wikipedia's page on Celts. First we learn an important distinction:-

This article is about the ancient and medieval peoples of Europe. For Celts of the present day, see Celts (modern).

The article 'about the ancient and medieval peoples' starts,

The Celts or Celtic peoples were a collection of Indo-European peoples in Europe and Anatolia, identified by their use of Celtic languages and other cultural similarities. Major Celtic groups included the Gauls; the Celtiberians and Gallaeci of Iberia; the Britons, Picts, and Gaels of Britain and Ireland; the Boii [central Europe]; and the Galatians [Turkey].

So my Belgian friends [Gauls] are somehow related to Turks. That I did not know...