'French spiderman' climbs tower in Paris' La Défense business district Alain Robert, the "French spiderman", climbs the 152-metre high Ariane Tower in Paris' La Défense business district. "A very delicate ascent" for the 57-year-old urban climbing specialist, who, after an hour of climbing and a few metres from the roof, had to enter the tower through a window because of the wet walls.\\n IMAGES AND SOUNDBITES\\n