What is Thai tea?

Thai tea ] is usually known as a Thai drink made from Ceylon tea, milk and sugar, and served hot or cold. It is popular in Southeast Asia and is served in many restaurants that serve Thai food. When served cold it is known as Thai iced tea ; lit. 'cold tea']. It is worth to mention that, although Thai tea is normally referred to Thai iced tea, there are also other kinds of tea can be referred as Thai tea. For instance, the Thai traditional herbal teas which is formulated based on Thai traditional medicine can also be called as Thai tea. Thai Oolong tea can also be referred as Thai tea which is oolong tea steamed with ginger , lemongrass , and celery.