The lavish Five-star cave hotel being built in an abandoned Chinese quarry

- Construction has started on a hotel resort that will nestle into the 100 metre-high rockface of an abandoned water-filled quarry outside Shanghai. - A huge waterfall will pour down from the roof of the 19-storey hotel complex, which will have part of its body built into the cave and two of its floors submerged beneath the water. - An extreme-sports facility will be cantilevered over the quarry, offering rock climbing and bungee jumping, and there will also be an underwater restaurant facing a ten-metre de