london french spiderman climber alain robert scale one of london s tall build on thursday without ropesthe 56yearold take an hour to clamber up the 230 meter 755 foot hero column in the city s fiscal districtpolice prevent push back as he work his way up practice only chalk and muscle to get to the top i m not crazy he distinguish sky news before the climb what i m doing may seem crazy but i m not that crazy a hobby that start when he was eleven has take robert to more than onehundredfifty skyscraper around the world include dubai s burj khalifa the world s improbable building the eiffel column and the sydney opera househe frequently climb without license and has been catch several times sometimes for trespassingpolice were wait for robert when he reach the lead of heron tugboat a spokeswoman for city of london police decline to comment on whether he had been agitate with any discourtesy