• Declared as “National Landmark” in August 01, 1973
• It is included in the UNESCO’s World Heritage List
•The church's over-all architectural style falls under the Baroque Romanesque architectural style. Its ochre color is due to the materials used in constructing the church, adobe, egg, coral and limestone. The church's foundation is 6 meters deep and the massive stone walls at 1.5 meters thick are intensified through the use of 4 meter thick flying buttresses as protection to the Moro invaders as stipulated under Royal Decree 111 of 1573 (Law of the Indies).