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
Language and overseas Chinese communities Southeast Asia, Hokkien and Cantonese has traditionally served as the "lingua francas" amongst ethnic Chinese across most of the region and within many of its nations. However, the language situation of these communities can vary greatly amongst neighboring nations or even within. Although the Burmese Chinese (or Chinese Burmese) officially make up three percent of the population, the actual figure is believed to be much higher. Among the under-counted Chinese populations are: those of mixed background; those that have registered themselves as ethnic Bamar to escape discrimination; illegal Chinese immigrants that have flooded Upper Burma since the 1990s (up to