CORAL ROCKS FOR CONSTRUCTION NEEDS

People collect coral rocks from coastal coast in Kabaruan Island, Kab. Talaud Islands, North Sulawesi, Monday (25/10/2021). The utilization of coral rocks as a substitute for gravel stones for the raw material of the construction of the regime is carried out by the archipelago to save costs rather than bringing building materials from Manado. ANTARA PHOTO/Adwit B Pramono/rwa.