A man looks at a painting by Chinese artist Zhang Xiaogang during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

A Chinese ceramic is seen during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

A piece of lacquer screen and stand from China's Qing Dynasty (1644-1911) is seen during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

A magnificent 12 panel screen with deer from Kangxiperiod of the Qing Dynasty (1644-1911) is seen during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

A Buddha statue and some ceramics are seen during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

Visitors look at Chinese fans during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

Chinese furniture is seen during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

Chinese art collectors enjoy a piece of art work during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)

Sotheby's art specialist Iris Miao (3rd R) shows the press a piece of calligraphy by Dong Qichang during a preview in Sotheby's in New York, the United States, Sept. 9. 2011. Sotheby's in New York will present Fine Classical Chinese Paintings and Fine Chinese Ceramics and Works of Art on Sept. 13 and Sept. 14, 2011. (Xinhua/Fan Xia)