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
Unreal Engine 4: Winter Bedroom Environment
A bedroom environment created by freelance CGI artist, architect and graphic designer Mateusz Klepadło. It has a minimalistic look with white walls and black curtains, a king-sized bed and a wardrobe.
© Mateusz Klepadło, 2015 Vimeo Link