Well probably not as a joke, but it's within the realm of possibility that it was moved there at some point in the past. This is pure speculation of course, but

Well probably not as a joke, but it's within the realm of possibility that it was moved there at some point in the past. This is pure speculation of course, but perhaps it was identified as a sacred object and carried there by a traveller sometime within the last couple of thousand years. However the likelihood of that is probably quite slim.