I couldn't believe the root system exposed on this tree and how it managed to find support and sustenance!
http://lh4.ggpht.com/_eTzuNZZ7ZF0/S1...s800/tree2.jpg
not quite the right exposure on this one but it gives you the idea:
http://lh5.ggpht.com/_eTzuNZZ7ZF0/S1.../s800/tree.jpg
