I don't have a personal mail, but you can write to a friend of mine. Besides, this guy has put some photos of the ramp on line. The URL is http://madridverticalindoor.iespana.es/madridverticalindoor/
His e-mail address appears when you click on the page.
The set of Julio Memba's rollerskates is: ice hockey boots, tracker plates and trucks, bones bearings and some hard-core wheels I can't remember.
Bye, I must keep on working.
: The look a little bit like