An area contained within the Canary Islands between the
parallel of latitude 28° 00'.00 N, the meridians of longitude
017° 42'.00 W and 018° 21'.00 W and the co-ordinates 27°
48'.00 N 017° 11'.00 W, 27° 23'.00 N 017° 58'.00 W and
27° 36'.00 N 018° 25'.00 W.