Even though "The Art of Astro Boy" couldn't be made officially for some reasons, there are lots of good artworks from the talent artists. Really want to share with you. I try to collect them from their blogs here and there.
First of all check these cool concept sketches from John Nevarez. John was not only did a lots of environment design for the Astro Boy movie, but also some character design at the beginning of the project. Check these concept sketches of SCRAP HEAP - the junk yard in act 2
do you remember this big head robot on the top of hill?
The Hamegg's Battle Arena on SURFACE in Act 2
Check these Junk Bot/Battle bot as well:
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John's sketches is amazing! Find more cool art works in John's blog. I will post more, to be continued...