A tea culture festival is being held in Badachu Park, Beijing. [Photo by Jiang Dong/China Daily]

In Badachu Park, there are onsite performances and demonstrations by craftsmen to show how Camellia sinensis leaves are turned into different kinds of tea. There will also be "doucha", tea competitions during which producers will drink and rank teas owned by each other.

Badachu Park, the main organizer of the annual festival, has created a "tea map" for the five-day event. Each of the 18 tea-producing provinces is covered with tea that is most prevalent in it, from the six main categories: green, white, yellow, "dark-green" (oolong), red and black teas.

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