A “Record” of this good was written by the creator of a “dragon tribute” type of it, the famous calligrapher Cai Xiang (“tsai sh’YAHNG”). A network of trade routes known as the “Southern Silk Road” was named for horses and this good. (10[1])Emperor Huizong (“hway-dzong”) of Song wrote an influential “Grand Treatise” on this good, in which he laid out criteria for “competitions” focused on this good. The Rinzai monk Eisai (“AY-sigh”) is said to have introduced this good to Japan from China, whose ritualized preparation of it (10[1])is known as gongfu. Lu Tingcan wrote a “sequel” to a “Classic” about this good by Lu Yu, which details its mythical discovery by Shennong after looking (10[1])into his pot of water. For 10 points, in China and Japan, what drink is presented in elaborate namesake ceremonies? ■END■