Introductory Chinese Language: How to Learn Chinese Scientifically for Beginners ( All Age )

Chinese is the hardest language in the world, why? You will know the answer in this presentation. 
Also, you will be confident and interested in learning Chinese after the class, because I will let you know how to learn Chinese scientifically, and you won't feel it is hard. 
In this presentation, you will learn:
1. Chinese language history.
2. The most different and difficult part of Chinese: Tones.
3. Chinese pronunciation tool: Pinyin.
4. Chinese characters.
5. Chinese language and culture.