Longjing tea of a finer Longjing is achieved only by using a genuine, slightly porous, Yixing clay teapot, which since the beginning, was popular exactly for preparing green tea well. The tea can be very expensive, and the prices depend on the varieties, of which there are many. Longjing is divided into six grades: "Superior" and then 1 down to 5. Infused leaves are a good indicator of quality, which is characterized by maturity and uniformity of the shoots harvested for processing. High quality Longjing teas produce tender, whole leaves that are uniform in appearance. Lower quality varieties may vary in color
Heavenly Lake of Tianshan Heavenly Lake of Tianshan Tianchi () is an alpine lake in Xinjiang, Northwest China, situated at . The name (天池) literally means Heavenly Lake and can refer to several lakes in mainland China and Taiwan. This Tianchi lies on the north side of the Bogda Shan ("Mountain of God", "Bogda" is a Mongolian word meaning "God") range of the Tian Shan ("Mountain of Heaven"), about south of Fukang and east (straight-line distance) of Ürümqi. It is an alpine drift lake shaped in the Quaternary Glacier period. Formerly known as Yaochi ("Jade Lake"), it was named Tianchi in 1783 by Mingliang,