YHA, which has been in the area for 60 years, said the current system was defective and the proposed system would carry treated sewage from the hostel down to the cave on the beach.

BBC: Aerial view of Treyarnon Bay

So clear are the steaming pools that to stare down into them is like staring down into a cave that leads to the earth's core.

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He said he he planned to reverse "dumbing down" and he refused to "cave in" to teaching unions who prefer to "pretend standards are rising each year".

BBC: UK

You then head down into the depths of The Cave to explore an underground amusement park, a medieval castle, and more.

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Its decision to cave in, and wind down its one remaining business, has made the bank's demise inevitable.

BBC: Swiss bank Wegelin to close after US tax evasion fine

The archaeologists put the shoe's remarkable preservation down to the stable, cool and dry conditions in the cave and the fact that the floor of the cave was covered by a thick layer of sheep dung.

BBC: 'Oldest leather shoe' discovered

The cave averages over 1, 200 feet in depth and requires abseiling down a dozen ropes to access sample sites.

BBC: Cave bacteria could help develop future antibiotics