The prospect of having my face crawling with slimy hermaphrodites did not immediately appeal.
Who lives where, and why, and at what social, economic, religious or cultural cost?
In Tokyo, you can also spend an hour at a cafe holding a great horned owl.
The stunning Hakone Open Air Museum is as far from stuffy as you can get and adds another dimension to a weekend spa escape from Tokyo.
China encourages citizens to film Chinese tourists' bad behaviour overseas so it can be publicised to shame offenders.