might be of interest:
Video of a BWR Reactor which has the same design as the Fukushima plant including a look into the Pressure vehicle:
http://www.youtube.com/watch?v=aU1QQR-xH0w
It was fully completed in 1978 but a public vote stopped it from becoming operational, now it's used for spare parts, training and the area around the reactor is used for a solar power plant.