Ginger Tea

In many countries Ginger Tea is made from ginger root.  Its main ingredient ginger  gives the tea a distinctive flavor that is spicy and stimulating.

In China, the tea is made by boiling peeled and sliced ginger  and adding brown sugar.  Sliced orange or lemon may be also added to give it flavor.  It may be drunk hot or cold.

In Korea, ginger tea is called saenggang cha (생강차). It can be made by either boiling the ginger or by mixing hot water and sliced ginger root with honey.  

In Japan it is called shōgayu (生姜湯)

In the Phillipine's it is called salabat and normally served when it is cold in December. 

Ginger, known as Adarak in Hindi, is also used frequently in tea made in all parts of India.

 http://en.wikipedia.org/wiki/Ginger