Plaintiff owns a tract of land on a hill. Defendant discovers the entrance to a cave on the land adjoining his own. The cave extends a considerable distance under Plaintiff
’
s land. Defendant develops the cave, advertises it
,
and conducts tours through it
.
Edwards v
.
Sims,
2
4
S
.
W
.
2
d
6
1
9

(
Ky
.

1
9
2
9
)
.