I wrote one of those several years ago - though much shorter - and it was a winner in an international competition, and was produced. It was kind of neat. I fIgured if it is International, speak a Universal language: SILENCE.
A lot especially depends on the quality of the perfomers available in one place to do this sort of thing. The performers in mine were okay enough to get the point across, but not greatly skilled in movement.
Did you ever hear of "Pilbolus?" Great performance group. You should go see them if they are in your area.
I've never written one—it seems so difficult to me. A ballet without dancing. I love it. I have included a prologue to one of my plays without words, but only for a few minutes. Tough work . . . for me