Li Shuying (left) guides fellow disabled women in making tree bark artwork in Arxan, Inner Mongolia autonomous region, in March. CHINA DAILY Drawing her inspiration from nature, 60-year-old Li Shuying ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...