Dafang tea leaves take on a yellowish green colour with sleek and flat shapes. Its buds are usually hidden and covered with golden down. When brewed, the liquor gives a durable fragrance with a sweet aftertaste. Different drying processes separate Da Fang tea into two types. Zhong Huo () features a chestnut-like aroma, while Qing Huo () features a brisk and delicate taste. Dafang tea Da Fang (; pronounced ), also named Zhupu Da Fang or Zhuye Da Fang, is a Chinese green tea. It is considered one of China's top ten teas by some Chinese tea experts. Like Longjing tea, it
Tianchi basin Tianchi basin As precipitation was for important agriculture and food production, the Song Chinese mathematician and inventor Qin Jiushao developed a precipitation gauge that was widely used in 1247 during the Southern Song dynasty to gather meteorological data. Qin Jiushao later records application of rainfall measurements in the mathematical treatise "Mathematical Treatise in Nine Sections". The book also discusses problems using large snow gauges made from bamboo situated in mountain passes and uplands which are speculated to be first referenced to snow measurement. Tianchi basins were installed at provincial and district capitals and bamboo snow gauges were situated in mountain