Chinese astronauts to conduct spacewalk

Shenzhou XIV astronauts Chen Dong (center), Liu Yang (right) and Cai Xuzhe salute after entering the Wentian module, the first lab module of China's space station. (XU BU/FOR CHINA DAILY)

China's Shenzhou XIV astronauts will conduct their first spacewalk on Thursday. 

They will venture out through the airlock cabin of the Wentian space lab, which is a key component of the space station. Wentian, the country's largest-ever spacecraft, was launched and sent into space on July 24. 

Here is what we know about Wentian.