Roman Baths (Bath) It comprises a southward extension to the Grand Pump Room, in which some remains of the 17th-century Queen's Bath are merged. The museum houses artifacts from the Roman period including objects that were thrown into the Sacred Spring, presumably as offerings to the goddess. These include more than 12,000 Roman currency coins, which is the largest collective votive deposit known from Britain. A gilt bronze head of the goddess Sulis Minerva, which was discovered nearby in 1727, is displayed. An audio guide is available in 12 languages. The Bath Roman Temple stood on a podium more than two metres above
Aphanizomenon flos-aquae toxic chemicals released when cells die. Once released (lysed), and ingested, these toxins can damage liver and nerve tissues in mammals. In areas where water quality is not closely monitored, the World Health Organization has assessed toxic algae as a health risk, citing the production of anatoxin-a, saxitoxins, and cylindrospermopsin. Dogs have been reported to have become ill or have fatal reactions after swimming in rivers and lakes containing toxic "A. flos-aquae". Microcystin toxin has been found in all 16 samples of "A. flos-aquae" products sold as food supplements in Germany and Switzerland, originating from Lake Klamath: 10 of 16