As its name implies, it is a very low-lying country. About a quarter of the land area, containing more than half of the population, is actually below sea level, and would flood if the sea were not held back by a system of dikes. | As its name implies, it is a very low-lying country. About a quarter of the land area, containing more than half of the population, is actually below sea level, and would flood if the sea were not held back by a system of dikes. |