Sun Tiantian was originally an ordinary little boy. After a study tour, he learned a wealth of water treatment knowledge, and by using his wisdom and friends, he discovered and solved the water pollution problem in the countryside. Since then, Sun Tiantian has transformed into an environmental expert and continues to contribute to the cause of environmental protection in aspects such as plastic pollution and undersea coral protection. In this process, Sun Tiantian also gained his own growth.
Purpose: Protecting the environment is everyone's responsibility