Looks like a door/access of some kind. Edit: There was some kind of entrance tunnel connecting there : http://exposingthetruth.info/wp-content/uploads/2012/05/

Looks like a door/access of some kind. Edit: There was some kind of entrance tunnel connecting there : http://exposingthetruth.info/wp-content/uploads/2012/05/fukushima_4.jpg http://exposingthetruth.info/wp-content/uploads/2012/05/fuku... Still not clear why they'd shop that. Edit 2: this article has more details : http://translate.google.com/translate?sl=fr&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fgen4.fr%2F2012%2F09%2Ftepco-camouflage.html&act=url http://translate.google.com/translate?sl=fr&tl=en&js... It's the entrance of the tunnel from which fuel is normally loaded.