Prior to Islam, the Kaaba was a holy site for the various Bedouin tribes throughout the Arabian Peninsula. Once every lunar year, Bedouin people would make a pilgrimage to Mecca. Setting aside any tribal feuds, they would worship their gods in the Kaaba and trade with each other in the city. Various sculptures and paintings were held inside the Kaaba. A statue of Hubal (the principal idol of Mecca) and statues of other pagan deities are known to have been placed in or around the Kaaba. There were paintings of idols decorating the walls. A picture of 'Isa (Jesus) and his mother Maryam (Mary) was situated inside the Kaaba and later found by Muhammad after his conquest of Mecca.[citation needed] The iconography in the Kaaba also included paintings of other prophets and angels. Undefined decorations, money and a pair of ram's horns were recorded to be inside the Kaaba. The pair of ram's horns were said to have belonged to the ram sacrificed by Ibrahim in place of his son Ismail as held by Islamic tradition.