Pu-erh is a type of fermented tea originating from the Yunnan province of China. It is made from the leaves of the Camellia sinensis plant and is known for its unique earthy flavor. Pu-erh tea can be classified into two main types: raw (sheng) and ripe (shou), each undergoing different fermentation processes. This tea is often compressed into cakes or bricks for aging, which can enhance its flavor over time. Pu-erh is popular for its potential health benefits, including aiding digestion and promoting weight loss, making it a favorite among tea enthusiasts worldwide.