 The traditional division of plots from seashore to centre has not prevented the differentiation of Réunion's territory into two qualitatively distinct zones.It has not stopped the development of a dualism between the island's Heights and lowlands, an opposition that the Parc national de la Réunion, opened at the beginning of 2007, tries to correct.For all the reasons already indicated, the expression ceased to be used in its original sense rather soon after it appeared.