aerial of the pangangan island causeway, the longest causeway in the philippines. both ends are buffered by mangrove forest to

pangangan island causeway road highway travel route roadway journey coastal shallow water sea isle magroves avicennia marina sonneratia alba calape bohol central visayas embankment direction two lane rural sky tropical long destination tourism scenic landscape scenery top view aerial drone bordered surrounded surroundings nature brackish trees longest philippines ends buffered mangrove forest protect storms philippines storms