The passage tomb was used as a location for burial around 3000BC, but the site had a much longer history, and exists in a landscape replete with evidence for prehistoric ritual activity.
Mae Bryn Celli Ddu yn un o'r safleoedd archeolegol enwocaf ym Mhrydain, roedd y beddrod 5,000-mlwydd-oed ar un adeg wedi’i adeiladu i thalu parch i weddillion y cyndeidiau.