Later works, dated less than 2000 years old, portray domesticated animals, such as oxen and camels. Other engravings portray warriors, known as owoza, dressed in feathers or spiked ornaments and armed with bows, shields, assegai, or traditional knives. Some portray dance scenes. The walls of a canyon near Bardaï have engravings that measure over in height, including that of the man of Gonoa, Gonoa being the name of the enneri that runs through the valley. These primarily show hunting scenes. The paintings, often drawn with a red Faidherbia albida base, signify a turn towards domestication in the Tibesti, because the scenes are more pastoral. The Tibesti art is unique in the Sahara because of the absence of inscriptions, the relative lack of chariots, and the low representation of camels and horses until comparatively recently. The art has remained important to the Toubou; around 1200 AD, a man named Yerbou engraved a palm leaf into rock, symbolizing his love for a married woman.