Will Tokyo be crowned 2020 Olympic host?
6 September 2013 Last updated at 09:45 BST
Olympic officials meet in Buenos Aires this weekend and are set to decide who will host the 2020 Games.
Tokyo looks like the strongest candidate city.
However, Japanese sentiment seems to be lukewarm towards the idea playing host to the summer games and the Fukushima leak is worrying others.
Rupert Wingfield-Hayes reports from Japan.