Aleef?s paintings also features some glimpse of the first orientalist Italian art works. His beautiful paintings of Jerusalem also depict the approach to life and culture of resident and non-residents during his time. Most of his prominent works possess a particular significance to that particular era?s local art movement; some of his popular paintings will be the landscape paintings of various places in Jordan. During his days in Jordan, Aleef build his first studio to show art to his fellow artists. Some of his students are Mohanna Durra and Rafiq Lahham who later became a few of the celebrated artists of last century. Though the notion of animal testing might appear trivial, exams are significantly less simple as smearing cold cream or lip gloss on the face of a rabbit. Animals utilized in laboratory testing, often move through extremely painful experiments and millions die each year. Those that survive the experiments avoid getting set free, instead they may be euthanized. In cosmetic animal testing; rabbits, guinea pigs, mice and rats are commonly used. Tests are executed on finished products and individual ingredients to determine the products a higher level toxicity and capability to cause eye or skin irritations, allergies and also other harmful effects.