Available from March 16, 2017 at 09:32 am to November 22, 2017 at 23:59 pm
7000 years ago the people of Ireland set out to construct something which had never been built before. They carefully selected, lifted and grouped stones to make sacred sights. But why did they build these temples of stone and what are the secrets behind them? This programme was brought to you thanks to ARTE's partnership with Irish public broadcaster RTÉ.