For eight centuries, the Louvre was the residence of kings and emperors. Successive expansion projects have created one of the world's largest palaces, along with the Vatican. Its worldwide renown is due to its museum, home to unique masterpieces such as the Mona Lisa and Venus de Milo. In future years the Louvre will be expanding and developing further via an annexe in the city of Lens, and a cooperation agreement with the Universal Museum of Abu Dhabi.