There is magical place among the cliffs of Buxu Pavilion. It overlooks like ant nest and closer looks like eggs nest. Some diameter is one lnch closer and some is two or three feet. Among all sizes of these stone eggs, all kinds of holes are formed.

The geologists think that Buxu Mountain is a small volcanic vent originally. Before erupition ending, the gate of the hole is sealed up by the magma. When stop erupiting and cooling, all sizes of lava balls, globe and lithophysa are formed.

Because of it is located on the cliff and haing no cirrus to climb, it is the perch place of bats, it is called Bat Hole. When the tourists visist here and they just see it and can't get to it, they will think it is the gate of fairyland, so called Lingxu Hole. Lingxu Hole is the geologic wonders of volcano at home.