question #1 Sahih Muslim 700g, Book 6, Hadith 47 : What is the significance of the direction faced during prayer when traveling?

‘Abdullah b. Dinar reported on the authority of Ibn ‘Umar that the Messenger of Allah (ﷺ) used to observe prayer on his ride (no matter) in which direction it had its face turned. ‘Abdullah b. Dinar said that Ibn ‘Umar used to do like that.