Ma Bia (second right), vice chairman of the National Committee of CPPCC, Sudan's Vice President Hassabo Mohamed Abdel Rahman (third right), Li Jinjun, vice minister of the International Department of the CPC Central Committee (left) and Liang Liming (far right), deputy Governor of Zhejiang province, plant a tree marking the friendship between China and Sudan. [Photo by Mao Jing/chinadaily.com.cn]