To find resources as many rock will be bombed mountain and use several trucks. And to suck sand from the sea and sprayed the sand by the dredging ships, which are guided by DGPS, which will be sprayed the sand from circle slice toward palm tree along the way, which are DGPS wait. The position is to be noted that the circle is split apart, so look for seawater circulation is not always made up of wastewater. The palm Island was to create a survey dive to determine the rock or hole in it.