Introduction to the Sidi Sahbe Mausoleum: The Sidi Sahbe Mausoleum is the mausoleum of Sidi Sahbe, a close friend of the Prophet Muhammad, who returned to Tunisia from the holy land of Mecca in the 7th century. , not only brought back a large number of scriptures, but also the very precious three beards of the prophet. After the death of the saint, the locals built the unique Sidi Sahbe Mausoleum for him, which is also known as the "Three Beards Mosque".