Levadas
The island of Madeira is wet in the northwest but dry in the southeast. In the 16th century the Portuguese started building levadas or aqueducts to carry water to the agricultural regions in the south. The most recent were built in the 1940s. Madeira is very mountainous, and building the levadas was difficult and often sentenced criminals or slaves were used. Many are cut into the sides of mountains, and it was also necessary to dig 25 miles (40 km) of tunnels, some of which are still accessible.Today the levadas not only supply water to the southern parts of the island but provide hydro-electric power. There are over 1,350 miles (2,170 km) of levadas and they provide a remarkable network of walking paths. Some provide easy and relaxing walks through beautiful countryside, but others are narrow, crumbling ledges where a slip could result in serious injury or death.
Tourism is an important sector in the region's economy since it contributes 20%[citation needed] to the region's GDP, providing support throughout the year for commercial, transport and other activities and constituting a significant market for local products. The share in Gross Value Added of hotels and restaurants (9%) also highlights this phenomenon. The island of Porto Santo, with its 9 km (5.6 mi) long beach and its climate, is entirely devoted to tourism. Over the past decade it has recorded a substantial increase in its hotel accommodation capacity.
Visitors are mainly from the European Union, with German, British, Scandinavian and Portuguese tourists providing the main contingents. The average annual occupancy rate was 60.3% in 2008,[56] reaching its maximum in March and April, when it exceeds 70%.
Transport in Madeira
There were in 2009, 7,105 legal immigrants living in Madeira Islands. They come mostly from Brazil (1.300), the UK (912), Venezuela (732) and Ukraine (682), according to SEF.
The Islands have two airports, Funchal Airport on the Island of Madeira and the other in the island of Porto Santo. Flights to the islands are mostly made from Lisbon and Porto, but there are also direct flights from other major European cities and other countries, like Brazil, Venezuela, and South Africa.
Transport between the two main islands is by plane or ferries, the latter also carrying vehicles. Visiting the interior of the islands is now easy thanks to construction of the Vias Rápidas, major roads built during Portugal's economic boom. Modern roads reach all points of interest on the islands. The old, curving mountain roads are still an excellent way to tour the island. Funchal has an extensive public transportation system. Bus companies, including Horários do Funchal which has been operating for over a hundred years, have regularly scheduled routes to all points of interest on the island.