Why are all those pedestrians waiting when the crossing is clear?

How to say “Why are all those pedestrians waiting when the crossing is clear?” in Japanese

In Japanese

車(くるま)が来(き)てないのに、あの歩行者(ほこうしゃ)たちはどうして渡(わた)らずに待(ま)ってるんだろう。

Kuruma ga kitenai no ni, ano hokōsha tachi wa dōshite watarazu ni matteru n darō.

Why are all those pedestrians waiting when the crossing is clear? in other languages