https://wccftech.com/nvidia-rtx-apollo-11-tech-demo/

You might recall that NVIDIA prepared an Apollo 11 tech demo based on VXGI (Voxel Global Illumination) technology a few years ago, ahead of the Maxwell architecture launch.

With the advent of real-time raytracing powered by the new GeForce RTX cards, NVIDIA decided to rebuild the Apollo 11 moon landing scene and prove that it was not a hoax. The new demo was presented earlier this week by NVIDIA CEO Jen-Hsun Huang during his GTC Europe keynote in Munich, Germany, where Huang said: