This is techno-sorcery!
Unite India is here: https://unity.com/event/unite-india-2019
there is no need to create a vdb, but it works yes
Unity: Screen-Cpace Raytraced Reflections Early Look
This is a project of bedroom created in Unity. It showcases an early version of the have screen-space raytraced reflections feature that is going to appear in the 5.4 version of the program.
© Unity, 2015 YouTube Link