Thin boundary of life

This is an illustration for a Czech project  projekt-ilustrace.cz/ , for the topic "fire and ice". I had no idea how to combine orange and blue so that it didn't look cheap. So in the end there's no fire, but lavafall. 
Let's call this a landscape from a distant planet  
Watercolors on A5
Dear friends, sorry for not responding to messages and not writing comments I've got soo much to do!