This vertical cave system has only had three scientific expeditions to it before.

BBC: Grasping the scale of Earth's oceans

The exhibit also includes 3-D scale models of the entire cave system along with a handful of the 2, 000 images that adorn the walls.

WSJ: Prehistoric but Far From Primitive | Cave Paintings of Lascaux | Field Museum | By Mark Yost

That series is always a massive seller for Nintendo, and may cause many on the fence to finally cave and buy the system for themselves.

FORBES: A Year Later, 3DS Sales Make It an Unqualified Success

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