Visitors pose for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A child poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A child poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A visitor poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A visitor poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A child poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)

A visitor poses for photos with a 3D painting at the Shuguang 798 Urban Experience Gallery in Changsha, capital of central China's Hunan Province, Oct. 13, 2013. A total of 50 3D paintings were exhibited here recently. (Xinhua/Li Ga)