China plans to launch an unmanned spacecraft to the moon to bring back lunar rocks, which will be the country's first sample return mission. Do you know the last time any nation brought back samples from the moon?

Which Chinese city made the top five in the "2020 Global Cities Index" report published on Wednesday by U.S. management consulting company A.T. Kearney?

The Singapore-Hong Kong air travel bubble launch was deferred for two weeks after COVID-19 cases spiked in Hong Kong. If the travel bubble launches, which situation will not happen for travelers upon arrival at the two places?

In the past week, China's Ningxia Hui Autonomous Region, Sichuan Province, Guangxi Zhuang Autonomous Region and Gansu Province declared they had removed the poverty label from all of their counties. Do you know how many severely impoverished counties there were in China before 2015?

The Lancet Infectious Diseases showed an experimental COVID-19 vaccine developed by China's Sinovac Biotech that can induce quick antibody responses was over ______ effective and is suitable for emergency use.

At a G20 summit side event about safeguarding the planet on Sunday, China reiterated its determination to peak carbon dioxide emissions by 2030 and achieve carbon neutrality by_________ .