[5] According to Professor Amos Frumkin of the Hebrew University, the cave is unique in that a thick layer of limestone left it impermeable to any water coming from the surface.

This was probably caused by overpumping of the ground water, which has led the underground lake to shrink, and with it the food supply to dwindle.

The ten specimen found dead in the cave are exceptionally well preserved and allowed the conclusion that they used a motion detecting organ situated on their abdomen for orientation.

[1] Various scientists and the Israel Nature and Parks Authority have been opposed to the idea, with an online public signature collection supporting their position.

[1] Scientists argued that a massive influx of surface runoff water, which is totally different from the groundwater on which the unique cave ecosystem is based, would be sure to destroy it.

[1] The intervention by Israeli and foreign researchers and the public petition has saved the cave's ecosystem, the authorities deciding for a different technical solution.