Rocks (2003)

The stone-people Hew and Kew have seen a lot in their everlasting lives on top of their mountain. Therefore they're only mildly amazed by the ongoings in the valley below, they've got their own little problems to deal with - But all of a sudden, Mankind is discovering and inventing, instead of just woozeling, and this new behavior starts to threaten Hew's and Kew's stoic peacefulness...