Longjing tea is actually not from Hangzhou. Many of these "inauthentic" longjing teas are produced in provinces such as Yunnan, Guizhou, Sichuan, and Guangdong. However credible sellers may sometimes provide anti-fake labels or openly state that the tea is not from Zhejiang. Experienced drinkers may be able to tell if Longjing is authentic by taste and smell. The aroma and flavors of the "inauthentic" Longjing teas are not as complex, or long-lasting as the authentic tea. These teas, although similar in appearance, are mild in flavor and aroma and do not have the long-lasting aftertaste of the original. Longjing has a signature
Chinese sun and moon mirrors Chinese sun and moon mirrors The yángsuì 陽燧 or sun-mirror was an ancient Chinese burning-mirror that concentrates sunlight to ignite tinder and the fāngzhū 方諸 or moon-mirror was a device that collects nighttime dew by condensation. These two bronze implements are literary metaphors for yin and yang, associating the ""yang"-mirror" "yangsui" with the sun (a.k.a. "tàiyáng" 太陽 "great "yang""), fire, dry, and round, and the ""yin"-mirror" "fangshu" with the moon ("tàiyīn" 太陰 "great "yin""), water, wet, and square. There are numerous Chinese names for the fire-producing "yángsuì" 陽燧 "sun-mirror" and water-producing "fāngzhū" 方諸 "moon-mirror". Yángsuì < Old Chinese *"laŋsə-lu[t]-s" can