A quick model of Pen Dinas Hill fort in Aberystwyth in North Wales.UK. built 400 B.C so old. contrary to the name suggesting these are fort's they are most likely just settlements as rarely are weapons found. they are all oer the UK found on most hill's and easily recognized by the built ditches circling them. if your in the area go visit this example https://www.aberystwyth.org.uk/attractions/pen-dinas.shtml and for a few more visit our page https://www.facebook.com/groups/1419169481438389/