Callao Cave: Home of the Asian Archaic Hominin
Callao Cave in Peñablanca, Cagayan is famous of its seven chambers, church inside one of them, rich history, artefacts, and
Read MoreA personal non-profit new site which aims to be a source for spelunkers in the cave-rich Philippines.
Callao Cave in Peñablanca, Cagayan is famous of its seven chambers, church inside one of them, rich history, artefacts, and
Read More