Just look at this building and the steel involved; just waiting for a lightning strike.

http://www.google.co.uk/imgres?imgurl=http://www.metoffice.gov.uk/media/image/h/t/MetOfficeHQ2.JPG&imgrefurl=http://www.metoffice.gov.uk/learning/library/library&h=250&w=304&sz=26&tbnid=JtnHEweOJsrBjM:&tbnh=94&tbnw=114&zoom=1&usg=__WY87RnN_oQvJZkf2-XLL5Ka_kVE=&docid=f5Px77_dGgUqpM&hl=en&sa=X&ei=5zOSUYawIMGJ0AXvj4HwCw&ved=0CFcQ9QEwBw&dur=242