'World's first' underwater museum to open in Wales quarry
An abandoned slate quarry in north Wales that's been submerged underwater for the last 20 years is set to open up as an underwater museum - touted as the 'world's first.'
An abandoned slate quarry in north Wales that's been submerged underwater for the last 20 years is set to open up as an underwater museum - touted as the 'world's first.'
