3D drawing crack in earth

The Idea of this picture is not mine. I found the original somewhere on internet, do not know is the real artist is here on DA, not sure. If anybody know whose this original drawing is, please let me know.
Thanks a lot to the artists like:
nagaihideyuki.deviantart.com
iza-nagi.deviantart.com
for amazing art and inspiration.
   

Just want to accept challenge for myself in drawing this style drawings. 

Paper and Charcoal.


P.S.
I am not premium user, but if there will be feedback like critique this will be more than appreciated.