inside callao caves . . .
Callao Cave is one of the limestone caves located in the municipality of Peñablanca, Cagayan province, in the Philippines. The seven-chamber show cave is one of 300 caves that dot the area and the best known natural tourist attraction of the province (wikipedia)
the caving must be accompanied by their volunteer guides . . .
Callao Cave is made up of seven chambers and various formations: the Column, Chapel, Skeleton, Elephant’s Head, Praying Angel, Rocket, Lion’s Head and Dog’s Head Formations. The Chapel, being featured in many tourism ads and postcards, is the main attraction of the cave (and of the whole Cagayan), it is a chamber turned into a cathedral by the locals. The place draws a dramatic picture as the skylight illuminates the hall through its opening (lakwatsero.com)
see more: https://www.lakwatsero.com/destinations/callao-cave/#sthash.jfarwAT0.dpbs