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
Lake Tianchi Monster grey and smooth. In 2007, Zhuo Yongsheng, a Chinese TV reporter said he had shot a 20-minute video of six unidentified creatures in the volcanic lake on 6 September. He later sent still photos to Xinhua's Jilin provincial bureau. According to a news report one of these showed the six "Nessies" swimming in parallel in three pairs. Another one of them featured the animals closer together, leaving circular ripples on the lake surface. Zhuo said he had seen the six seal-like, finned creatures swimming and frolicking in the lake for an hour and a half, before they disappeared around 7:00