aerial of the pangangan island causeway, the longest causeway in the philippines found in calape, bohol. both ends are buffered

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 sheltered buffered narrow horizon aerial drone mainland connection bridge trees longest philippines found ends mangrove forest protect storms bohol