Although the tradition of drinking tea dates back to more than 3,000 BC in China, it was not until the mid 17'th century in the UKappeared the concept of "afternoon tea".
Tian'anmen Square is the largest square in the world, which covers a total area of 440,000 square meters,880 meters north to south, and 500 meters east to west.
Distance education programsthe disadvantages of limited time, distance or physical disability, so they are becoming more and more popular all over the world.