JAPANESE STUFF: Green tea(緑茶)
Traditionally, Japanese people drink much tea. Recently, green tea has become more popular in Europe, but it is the same tea leaf as black tea.
Green tea is harvested, steamed, and dried.
Black tea is harvested, dried, crushed, and let it withered to produce the enzyme which gives its color and flavor.
Here is one of the internet site on Japanese green tea.