Visitors take photos of the "Riverside Scenes at the Qingming Festival", an ancient Chinese painting in the Song Dynasty, in Tokyo, Japan, Dec. 26, 2011. The painting will be on show in public in Tokyo from Jan. 2 to Jan. 24, 2012 to welcome the 40th anniversary of the normalization of diplomatic ties between China and Japan. (Xinhua/Ji Chunpeng)

A visitor takes photos of the "Riverside Scenes at the Qingming Festival", an ancient Chinese painting in the Song Dynasty, in Tokyo, Japan, Dec. 26, 2011. The painting will be on show in public in Tokyo from Jan. 2 to Jan. 24, 2012 to welcome the 40th anniversary of the normalization of diplomatic ties between China and Japan. (Xinhua/Ji Chunpeng)

A visitor views the "Riverside Scenes at the Qingming Festival", an ancient Chinese painting in the Song Dynasty, in Tokyo, Japan, Dec. 26, 2011. The painting will be on show in public in Tokyo from Jan. 2 to Jan. 24, 2012 to welcome the 40th anniversary of the normalization of diplomatic ties between China and Japan. (Xinhua/Ji Chunpeng)

Visitors take photos of the "Riverside Scenes at the Qingming Festival", an ancient Chinese painting in the Song Dynasty, in Tokyo, Japan, Dec. 26, 2011. The painting will be on show in public in Tokyo from Jan. 2 to Jan. 24, 2012 to welcome the 40th anniversary of the normalization of diplomatic ties between China and Japan. (Xinhua/Ji Chunpeng)