The establishment of the Huangyan Dao National Nature Reserve is of great significance for maintaining the ecological balance of the South China Sea and protecting marine biodiversity. What is the current state of the ecosystem here? How will the coral reefs be protected? Let's hear from Yang Hongqiang, a researcher at the South China Sea Institute of Oceanology, Chinese Academy of Sciences, as he recounts his experiences and those of his scientific survey team on China’s Huangyan Dao.