The Iron Age in Wales from around 800 BC is characterised by the newly discovered creation of iron, stunning Celtic art and the construction of hillforts.
Nodweddir yr Oes Haearn yng Nghymru o ryw 800 CC gan greadigaeth haearn a oedd newydd ei darganfod, celf Geltaidd syfrdanol ac adeiladu bryngaerau.