"There are a large number of complex historical documents in the US about the germ warfare that await further research," Liu said.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."
While Mackerras said he is not optimistic about the bilateral relationship in the short term, "I have to be optimistic" in the long term.
The Development and Investment Entertainment Company (DIEC), a wholly owned subsidiary of Saudi Arabia's Public Investment Fund (PIF), oversaw the historic launch of the Kingdom's first public cinema in collaboration with AMC Entertainment at a newly set up cinema complex at King Abdullah Financial District (KAFD) in Riyadh, Al Arabiya local news reported.
"The words President Xi used on this subject were particularly strong and serious, and he stressed that any behavior intended to divide the country is doomed to fail," he said.
"I believe Hong Kong citizens should learn more about the country's laws as well as better participate in the steps to realizing the great rejuvenation of the Chinese nation," he added.
In the two years since President Xi Jinping shared his views on cyberspace at a symposium on April 19, 2016, the country has seen huge growth in its internet industry.