Ah, a very good question!
Since i climb towers althogh i have a little bit vertigo (shaking knees, feeling to fall, cold sweat) i even have no fear of spiders anymore.
But i have to keep on practicing this from time to time...
You can watch fotos here, if you x away the advertising. Towerfotos start from the fourth section downward:http://fleecycloud.npage.de/fotos.html