Suppose, hypothetically speaking, you wanted to build a nuclear power plant. It's simply "a complicated way to boil a lot of water, cheaply, and without smoke", according to Bertrand Barre, scientific adviser of Areva, which is building a nuclear reactor at Olkiluoto in Finland . So where's the best place to build yours? How will it work? How much will it cost? Supposing it suffered a critical meltdown, or a plane crashed into it? And what are you going to do with the radioactive waste? This short film provides some handy tips