Not in terms of "investment". If you do not need the
money...
"keep it there for a rainy day... "
"do not put all your eggs in one basket..."
If you are bored, take out the different bank accounts in various
currencies and country and stare at them, remembering the times you
spent in that country.
Usually as a tourist, you cannot open a bank account in a foreign
country or it is too troublesome.
