The exhibition also explores other Welsh links with Antarctica - a geologist from St Fagans, a stowaway from Newport and the Antarctic work of a zoologist from St Brides Major who later became director of the National Museum.

BBC: Cardiff's role in Captain Scott's trip to South Pole

More sea urchins and other tiny shellfish have been swept ashore at adjoining Broad Haven and Little Haven beaches in St Brides Bay, Pembrokeshire and in some places the golden sands were inches deep in empty shells.

BBC: News | Wales | Sea urchins may have committed suicide