April 24 marks the Space Day of China. Chinese authorities say in the year of 2022, the country will carry out six launches so as to complete the in-orbit construction of the Space Station. CGTN reporters Zheng Yibing and You Yang will pay a visit to China Science and Technology Museum, exploring the Tianhe module, the model of Long March 2-F as well as China's missions exploring Mars and Moon, while talking with experts about China's steps to build its space station.