Japan is the country of earthquakes. In response to the giant tsunami caused by the Great East Japan Earthquake in 2011, Huge seawalls with a height of nearly 15m, has built along the coast of the disaster area for a total length of 400km. Many residents opposed the construction of the seawall. This is because fishermen’s in the coastal areas said , "I can't see the sea. The work space on the beach will be reduced." travel agency said, "The view is spoiled." The general public said "There is a concern that the number of victims due to delays in escape will increase due to overconfidence in the seawall." As a compromise to respond such an earnest desire of local residents to see the sea,constructions has carried out by installing the "windows" on the seawall.
What can you see through the "windows" of the seawall ?