Pembrokeshire’s Pentre Ifan (below) is made of the same local ‘bluestones’ that – somehow – were transported to form part of Stonehenge, Britain’s most famous ancient monument.
Gwnaethpwyd Pentre Ifan yn Sir Benfro o’r un ‘cerrig gleision’ lleol a gafodd eu trawsgludo - rywfodd - i ffurfio rhan o Gôr y Cewri, sef heneb enwocaf Prydain.