Pfff, that's not a challenge, it's a clue! It's just a bunch of metal: given heat and pressure the Busses can do anything they bloody well wish with it.

IMHO, naturally <img src="/ubbthreads/images/graemlins/bowdown.gif" alt="" />

<img src="/ubbthreads/images/graemlins/grin.gif" alt="" />