The latest round of systematic cave explorations began in the early 1970's.

At the time, this approach to 'wet' cave exploration was generally called the 'English System'.

With peak season prices of $190, it is a bargain for Asia, and offers everything from diving to cave exploration.

Even after two hours of cave exploration, the weapons officer looked barely encumbered by her pack-load of power sources.

The first rule of cave exploration is to head back out at the first sign of anything going wrong.

Activities carried out in the park include game drives, nature walks, mountain climbing, wildlife viewing, camping and cave exploration.

Simpson undertook cave exploration, mapping, and photography throughout his active career.

Petzl was a proponent of cave explorations by small teams, an innovation at the time.

Martel was active in cave exploration from 1888-1914, recording some 1,500 caves during this time.

The first cave explorations here took place in 1931.