A question that I cannot answer .... please take a look... :

IndayLeticiaPhotosWhatHowWhy1

This is one of the rocks /shellstone in Sumagdang .... a place / beach resort , where lives got drawned every year.

There are mixed theories of explanations among the people around.

Does anybody knows how can a shell be molded to the rock / shellstone?

My best regards,
IndayLeticia