Gaski has had a treasure for many years, much of which is known to foreign residents, but is still unknown in Poland. Green clay, for example, is found near the lighthouse and its medicinal use has the name of agrillotherapy. This method assists in the treatment of, among other things. Stomach ulcers, inflammatory bowel disease, colitis, prostatitis, multiple sclerosis and many others. Counted the effectiveness of treatment, as many as 102 diseases. Clay is also used in the cosmetic industry. For years in South America, Africa, the Far East and many European countries, it has promoted people’s health and beauty.