Volume 2 · Book 26 · Hadith 716
Narrated 'Abdul 'Aziz: I went out to Mina on the day of Tarwiya and met Anas going on a donkey. I asked him, "Where did the Prophet offer the Zuhr prayer on this day?" Anas replied, "See where your chiefs pray and pray similarly."
— Sahih Bukhari, Volume 2, Book 26: Pilgrimmage (Hajj), Hadith #716