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Work will soon start on a massive crossover cavern under Castle Hill as part of the $8.3billion North West Rail Link.
Lasting impact ... data suggesting that huge vent holes in the frozen Siberian waste represent the escape of vast quantities of methane gas have climate scientists worried.
A woman takes a picture of her son standing in front of the well preserved skeleton of a mammoth who lived in america over a million years ago exhibited at the museum of the National Institute of Anthropology and History of Acapulco "Fuerte de San Diego", on July 16, 2014 in Acapulco, Mexico.
Bureau of Land Management cave specialist Bryan McKenzie rappels into Natural Trap Cave in north-central Wyoming during a cleanup expedition.
Former miner Trevor Morris couldn't get enough of going underground. In his spare time he went caving and discovered the beauty of phosphorescence.
THE habitat of a species of bat which is listed as vulnerable in NSW will be destroyed and the population decimated if the Needles Gap dam proposal gets the go-ahead according to cavers.
When the weather turns hot each summer, some travelers look for escapes from the heat and humidity.
Darkness - absolute darkness - closed in. Even when we waved our fingers millimeters from our eyes, we couldn't see them, only feel the air moving ever-so-slightly.
Updated: Thu Jul 31, 2014 01:06 am
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