What is this?

Answer to last week: That was the sound of the slate roof tiles 'clapping' in the wind. We climbed to the top of this building, the Powder Tower, and that is what it sounded like from inside.

a fossilized backbone
Posted by: katrina at oktober 15, 2008 01:27 EMsteps down to the dungeon
Posted by: casey at oktober 16, 2008 12:51 EMBricks in the Powder Tower
Posted by: Denise at oktober 16, 2008 09:59 EMI also think it is a spine
Posted by: Freddy D at oktober 21, 2008 03:52 EM