Compléter Review unit 5Version en ligne Fill in the blanks par Valeria Ramirez 1 In 2008 , Burj Khalifa became the building in the world . It's in Dubai . It was one of the projects ever . It cost 1 . 5 billion dollars . It's famous than other buildings in Dubai . I'd love to go there . It has the restaurant in the world , too , on the 122nd floor ! Some people say that the view at night is more exciting during the day .