The group also had a parallel information-gathering operation looking at reports detailing experiments on live humans using biological organisms - anthrax, plague and glanders (an infectious disease that occurs mostly in horses but can affect humans and other animals).
Rural tourism in Hainan is also in full swing. Last year, 9.5 million tourists visited the island's rural areas, accounting for 14 percent of visitors－year-on-year growth of 16.8 percent. They brought in more than 2.8 billion yuan.
Thirty years ago, when Hainan became a province, Boao was a sleepy, unknown fishing town. That was 1988. Even after the first Boao Forum was successfully held in the town in 2001, the name Boao remained obscure.
In the new era, Hainan will further reform and opening-up as a special economic zone and international tourism site.
At least 3,000 people were used as human guinea pigs by Unit 731, and more than 300,000 people across China were killed by Japan's biological weapons, according to the Museum of Evidence of War Crimes by Japanese Army Unit 731 in Harbin.
Zhu Lijia, a professor of public management at the Chinese Academy of Governance, said Xi's speech showed his deep love for the people, his spirit of serving the people and his sense of responsibility to bring a happier life to the people.