The “Moon | Mars VR” interactive exhibit—developed by Prof. WU Bo, Associate Director of the Research Centre for Deep Space Explorations (RCDSE), and his team—was showcased at the 19th China (Shenzhen) International Cultural Industries Fair held on 7–11 June 2023. The virtual reality (VR) system creates a three-dimensional virtual environment of the landing sites of Chang’e-4 lunar mission and Tianwen-1 Mars mission. Through the system, the public can experience a spacewalk simulation.