Pilgrimmage (Hajj)
Bukhari :: Book 2 :: Volume 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."