Since this can be projected any white wall or full-dome, space is flexible. 
You can find how this was installed in the exhibition on my website link: https://www.alicedaeunkim.com/timeandmemory

I actually do not mind, but if applicable, I'd like to project this on the big white full-dome screen (Maybe about 5M*5M)
I have had no budget for the installation in the previous exhibition so as you can see, the screen is small.