Hey Sergey, I think this is totally fine for the time you've had to work with. It may not be ultra refined and crisp but you've conveyed the most important aspects of the concept clear enough in my eyes. Things like the very different almost insect exoskeleton pagoda and many other unique elements and the colors have a real mysterious mood to them.
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Hope the design of level not so terrible like I think now)
If you still want to plug away at it some more to refine it so you're happier about it, you might be interested to know the deadline was extended 1 day.
Details about it over here.
http://www.polycount.com/forum/showpost.php?p=2113841&postcount=1