Tea is the second most consumed beverage in the world after water –– and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the beverage as there are cultures on the globe. Where did this beverage originate, and how did it become so popular? Shunan Teng details tea's long history. [Directed by Steff Lee, narrated by Pen-Pen Chen, music by Gav Cantrell].