The map compare a island before and after the construction of some tourist facilities.
Overall,it is clear that hotel complex and other facilities for tourist(like swimming pool, cafe ,open restaurant, scenic lookout and so on) were built and that area of pier was also increased to permit access to the island by cruise ship.
In the first map,the island was originally undeveloped used as a research station before remodeling.there were planty of trees at central post office island along with a natural spring and bench the island was previously accessed by only small boats but now the pier has been extended so that large ships can be docked. The scientific research station was replaced by hotel complex with swimming pool. A cycle path were built for connecting all facilities in island.an open restaurant have been added along with BBQ area at the central part of the island. additionally a cafe have been added near the nature springs.
Finally, people can now enjoy swimming at the beach and have a scenic outlook through the rocks