2, Huang Heqing, the world is peaceful.

3. Caring for the Yellow River means caring for your mother!

4. The Yangtze River and the Yellow River are like human parents.

5. He who doesn't reach the Great Wall is not a hero, and he who doesn't protect the Yellow River is not a descendant!

6. The Yellow River has gone into the blue sky, and there are nine meanders of Wan Li sand in my spare time.

7. The Yellow River is in love with nine meanders, and the green forests on both sides of the river are clear all the year round.