"I do not know," Jacques replied, lifting up a particularly large fallen chunk of rock from the ceiling, raising a hoof in disgust as a rather large centipede the colour of vomit skittered away from behind it and disappeared into a tiny hole in the wall. "I only know that a wall came out of the ground, the floor disappeared, and voila! We now have a romantic walk through crystal-lit caverns all to ourselves. Not so bad, eh?"