(The popular expression To jump from Kiyomizu's terrace means to do something daring and adventurous, although this is best left to the imagination. )
To jump from Kiyomizu's terrace means to do something daring and adventurous, but it is an expression that is rarely used. 
mnli hypothesis: To jump from Kiyomizu's terrace means to do something daring and adventurous, but it is an expression that is rarely used.  premise: (The popular expression To jump from Kiyomizu's terrace means to do something daring and adventurous, although this is best left to the imagination. )