question #3 Sahih al-Bukhari 495, Book 8, Hadith 142 : What are the implications of performing prayers in an open area like Al-Batha’ according to Islamic teachings?

I heard my father saying, “The Prophet (ﷺ) led us, and prayed a two-rak`at Zuhr prayer and then a tworak`
at `Asr prayer at Al-Batha’ [??] with a short spear (planted) in front of him (as a Sutra) while
women and donkeys were passing in front of him (beyond that stick).