Zhang Lingjun, 32 years old this year, is the Vice President of the Sanya Diving Industry Association and the head of Debe Diving Company. He has been working in the diving industry for the past decade, since developing an interest in the sport in 2013. Over the past 10 years, his diving skills training company has grown increasingly popular, and he has personally witnessed the rapid development of the diving industry in Hainan. For most people, diving is a romantic and enjoyable recreational activity. However, for some young divers, in addition to their regular work, they also utilize their spare time to participate in public welfare activities. Fearless of hardships, they contribute to the protection of marine ecological environments, such as rescuing stranded marine animals, cleaning up underwater and coastal marine debris, and more. Through their actions, they express their youthful values and gain a unique sense of happiness and fulfillment.