When a leaf fell into the water, the taste of the water changed. Since then, tea became popular. It is the oldest drink in the world. This great plant, which has grown for thousands of years, was discovered by our ancestors more than 6000 years ago. It evolved into a bowl of fragrant tea soup over a long period of time. The long history of Chinese tea will be introduced in this lesson. Get to know more about "tea" with your classmates.