Buy PrintsPictures and albums about Zingaro-nature-reserve published in travel
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Albums about zingaro-nature-reserve
from album: Sicily
immage from the paradise
picture: Trapani wind mills
published by: damicotony
Sea water, wind energy and sun heat are the elements which, properly conveyed by man, produce the precious salt, a sea with a high degree of salinity, constant wind and little rain are necessary factors. The principle at the base of salt extraction is simple: sea water is conveyed into several basins of different dimensions and levels, where it is left to evaporate, leaving a deposit of sodium chloride on the bottom. This is than removed and transported elsewhere for further processing (cleaning