Apo Reef Light of gallery. The light station on Apo Reef was part of the first approved group of lighthouses in the Maritime Lighting Plan of Spain for the Philippine Archipelago during the Spanish Colonial Period. It was proposed to erect a steel tower with a third-order light on Bajo Apo Island. In 1896, the tower and the lighting apparatus were already purchased complete by the Spanish authorities from France, and they were delivered and stored at the warehouse in Manila. All lighthouse constructions though, were halted with the outbreak of the Philippine Revolution and then the Spanish–American War. When the Americans took
Kenn Reef 500 km to the southwest. Kenn Reef is part of a submerged continental block, called the Kenn Plateau. The Kenn Plateau lies off the north eastern Australian coast and is a region characterised by a series of prominent, bathymetric troughs and marginal plateaux. And is submerged by 1000 m to over 3000 m of water. The Kenn Plateau, covers around 100,000 km², an area larger than the Tasmanian landmass. Various islands and reefs, whose origin is thought to be related to the Tasmantid Seamount Chain, lie along the western margin of the Kenn Plateau and include the well known Kenn