Free with trial Top view of rock formations and crashing waves in Biri Island, Samar, Philippines. VIsible are Caranas, Bel-at, and Puhunan Rock Formations. Drone shot. Puhunan stock images, royalty-free photos and pictures Top view of rock formations and crashing waves in Biri Island, Samar, Philippines. VIsible are Caranas, Bel-at, and Puhunan Rock. Formations. Drone shot