Sunan At-Tirmidhi

Abu Juhaifah narrated:""I saw Bilal calling the Adhan, and turning, and his (face) was following here and there, and his (index) fingers were in his ears, and Allah's Messenger was in a small red tent"" - ""I think,"" he (one of the narrators) said, ""it was made from a hide"" - so Bilal went out in front of him with an Anazah which he planted (in the ground) at Batha. Allah's Messenger prayed facing it, and a dog and a donkey passed in front of him; he was wearing a red Hullah, and it is as if I am now looking at the radiance of his shins."" Sufyan said: ""We think that it was a Hibrah