Is that area dead for a long time?
Yes, although how long is still an open question as they still haven't done anything significant to contain the radioactive material yet. That will take months.
Hiroshima how it looks today..
[IMG]http://i52.tinypic.com/2a5n7tu.jpg[/IMG]
[IMG]http://i55.tinypic.com/33mos2b.jpg[/IMG]
[IMG]http://i53.tinypic.com/ncnl2g.jpg[/IMG]