we follow the work under way to save the beaches of boracay. ♪ >> boracay attracts 1.5 million tourists year. recently, increasing numbers of visitors come not only from europe and north america, but also, from other asian countries. the healthy tourism industry is driven by the beautiful beach. its sand is formed from an accumulation of coral fragments from the bay. >> we come from australia where they got nice beaches. great beach. i love the trees coming down. >> it's a paradise beach. >> yeah. >> freedom. the most prettiest beach i've ever been do. >> do the activity, all, yeah. >> water is nice, yeah. >> there are now 350 hotels on the island. the tourists trade brings in $500 million a year. >> good morning, kids. >> a closer look at the beach, however, reveals something alarming. >> have you seen al? see. also, over there. over here. see. and you see here. so you see how the sand here and the roots exposed, and see there. >> along the beach are palm trees with their roots exposed from the sand. some have even begun to fall over. in other places, the condition is worse. >> before,