(HU JIANHUAN)

A worker examines tissue boxes to be delivered to France in a workshop of Tianhemei Artware in Lin'an, Zhejiang Province.

The city has planted over 500,000 mu (33,333 hectares) of walnuts while Tianhemei Artware has collected waste walnut shells and turned them into delicate artworks, such as pen holders and tissue boxes.