Is it valuable to prolong the life of pine cranes in Wang Zhicheng?

It's worthless Song Yan He Niantu is a colored paper painting created by Xu Gu, a painter in Qing Dynasty, and is now in Suzhou Museum. Pine cranes in Wang Zhicheng are worthless. Wang Zhicheng,No. Jinguzi, was born in Anyang City, Henan Province, 1972. Member of Anyang Artists Association and Book Association. I loved painting and calligraphy since I was a child. 1994 graduated from anyang normal college. 65438-0997, went to the Central Academy of Fine Arts for further study. In 2008, he studied under Liu, a famous painter, and Han Jingwei, a doctoral supervisor of Tsinghua Academy of Fine Arts. His paintings are mainly traditional Chinese paintings, such as Zhouyi landscapes, figures, freehand brushwork flowers and birds, etc.