An expert checks the condition of Miller's masterpiece "Gleaners" during the exhibition arrangement of "Millet, Courbet and French Naturalism: Masterpieces from Musee d'Orsay" at the China Art Meseum in east China's Shanghai, Nov 12, 2012. A total of 87 masterpieces dating from the mid-19th century to the early 20th century by Millet, Courbet, Corot, Bonheur and etc. will be presented in the exhibition which is expected to be open on Nov 16, 2012.[Photo/Xinhua]