. >>> boracay, a small island in the central philippines, sent to be blessed with the most beautiful beach resort in asia. it's most stunning location, white beach, stretches for four kill meters along the island's west coast. in the ocean, scuba divers are hard at the water here is 5 meters deep. a diver swims near a lar steel frame. the frame carries an electric current designed to speed up corral growth. the divers are growing coral due to the danger of the white sands disappearing. around ten years ago, the waves gan to wa began to wash away the sands during the rainy season. >> what we are selling is our pristine white sand and the crystal blue water, so if it's gone, then there will be no island. there will be no tourist destination. >> from 2012, work began with the cooperation of japanese researchers, to analyze the cause of the sand loss. based on the results of that study, local people are trying to take action. >> for me, it's a challenge. it's a beautiful place. no doubt about it. very beautiful. not just the sand, but the under water. it's a challenge, because there are