Bend in the second largest river of Sardinia, near San Vito. The Flumendosa runs here through paleoxzoic rocks rich in metaliferous sulphide deposits. After heavy rainfall during the wintermonths, the sollen river transports eroded sulphides and the typical odor is still noticed in spring.
Sardinia is the second-largest island in the Mediterranean Sea (after Sicily). The area of Sardinia is 24,090 square kilometres (9,301 sq mi). The island is surrounded (clockwise from north) by the French island of Corsica, the Italian Peninsula, Tunisia and the Balearic Islands. Sardinia is a constitutional part of Italy, with a special statute of regional autonomy under the Italian Constitution. http://en.wikipedia.org/wiki/Sardinia