Malta are uninhabited. The islands of the archipelago lie on the Malta plateau, a shallow shelf formed from the high points of a land bridge between Sicily and North Africa that became isolated as sea levels rose after the last Ice Age. The archipelago is therefore situated in the zone between the Eurasian and African tectonic plates. Malta was considered an island of North Africa for centuries. Numerous bays along the indented coastline of the islands provide good harbours. The landscape consists of low hills with terraced fields. The highest point in Malta is Ta' Dmejrek, at , near Dingli. Although
Climate of Malta running off to the sea rather than soaking into the ground. Malta depends on underground reserves of fresh water, drawn through a system of water tunnels called the Ta' Kandja galleries, which average about 97 m below surface and extend like the spokes of a wheel. In the galleries in Malta's porous limestone, fresh water lies in a lens upon brine. More than half the potable water of Malta is produced by desalination, which creates further issues of fossil fuel use and pollution. Malta has an average of 90 precipitation days a year, and experiences from a few to a