Are Shengzhou Hot Springs natural?

Shengzhou hot springs are natural. It is located in Shengzhou City, Shaoxing City, Zhejiang Province, and it is a hot spring at the bottom of a volcanic lake. The hot spring water temperature is kept at 32-35℃ all the year round, and the water quality is pure, odorless and tasteless, and weakly alkaline. Shengzhou hot springs are rich in free carbon dioxide, strontium, lithium, fluorine and other trace elements, and are called heart springs. These characteristics make Shengzhou Hot Springs have a rare position in China.