Irrigation channels (levadas) that bring water from the wet north side of Madeira island to the dry, fertile south side By John Gimlette - January 19, 2013 0 80 FacebookTwitterPinterestWhatsAppEmail Irrigation channels (levadas) that bring water from the wet north side of Madeira island to the dry, fertile south side Related Posts:Portuguese emigration from Madeira to British Guiana - By…The Guyana-Madeira connection - 11Guyana’s Sovereignty over the Cuyuni RiverRegions of Guyana