Sunan An-Nasa'i
Hadith #491
It was narrated that Ibn 'Umar said:""The Messenger of Allah (ﷺ) used to pray while on his animal when he was coming back from Makkah to Madinah. Concerning this, the verse was revealed: So wherever you turn (yourselves or your faces) there is the Face of Allah.'"" [1] [1] Al-Baqarah 2: