Photo from: http://retiredinsamar.com/samar-at-a-glance/photos-from-around-samar/tide-pool-at-biri-rock-formation-n-samar/ Photo from: https://www.flickr.com/photos/renesangcophotography/6245118905?ytcheck=1&new_session=1 Photo from: http://junvillegas.blogspot.com/2013/03/biri-rock-formations-northern-samar.html Photo from: https://www.thepoortraveler.net/2012/09/biri-island-bel-at-caranas-rock-formations-northern-samar-philippines/ …