"There are a large number of complex historical documents in the US about the germ warfare that await further research," Liu said. "In recent years, more experts on the subject have emerged and provided valuable academic insight."
"On domestic issues, he has spoken extensively of improving the people's livelihoods, and on international issues, his people-centered philosophy is key to improving global governance," he said.
"The report includes a great amount of research on Unit 731 in the field of germ warfare and is direct evidence proving that Unit 731 had an intimate relationship with the military medical academy," Liu said.
Latest data from the World Economic Forum's global competitive report 2017-18 indicates that the Chinese mainland is steadily pushing forward its global economic competitiveness, while Hong Kong and Taiwan are making huge gains in a difficult global market.
It is the people who have created the history and they are the real heroes, Xi said. As long as people have confidence, the country will have a future and power.
“There are people who are very wedded to the idea that no-one left Africa until 50,000 years ago, particularly very prominent voices in genetics. So it is important that people like myself - who do think we left earlier and got to places like China - are really sure. Lots more research needs to be done and the most up-to-date techniques need to be applied,” he said.