Labels:text | font | screenshot OCR: Tourism remains a smaller business in the Philippines than in the NICs of Southeast Asia. The industry is still largely based around sex- tourism. However, business may suffer when an Australian law banning its citizens from sex-tourism holidays comes into effect. Many of the islands have tourism potential. Palawan, one of the least spoiled, retains most of its tropical rainforest and coral lagoons. The rice terraces of northern Luzon are another attraction.