What are the slogans prohibiting trampling on the lawn?

The slogans against trampling on the lawn are as follows:

1. Let the flowers smile, let the grass love and let the heart bloom.

2. Green campus and green life.

3. Without trees, the world would be gloomy.

4. We are seedlings, and we all need care.

5. Be kind to the flowers on your hands and watch the grass under your feet.

6. Birds long for a clean sky, and humans long for a green home.

7. Drink clean water and breathe fresh air, which requires you to take care of the environment all the time!

8. Weave love and protect the environment.