Seawalls

thumb|upright=1.25|An example of a modern seawall in Ventnor on the [[Isle of Wight, England]] thumb|People socializing and walking at the Malecón, Havana thumb|upright|Seawall at Urangan, Queensland

World's longest man-made dyke

coastal development project in Jakarta, Indonesia, including a sea wall along the coast, water reservoirs, and land reclamation, started in 2014 and expected to be completed by 2025