Kernmantle Rope Page:

The Eiffel Tower is a large, big metal sructure made by some guy in WWII. It's big and metal and you're going to climb it. Then you're going to have to lodge your butt on the superstructure's outside beams and slowly lower yourself down on a nice long piece of good oldfashioned.
 
 

offices.colgate.edu/ocstudy/ Europe/dijon.html