Among the high-quality (质量) treasures, the writing brush produced in Huzhou, the ink stick produced in Huizhou, the xuan paper made in Xuancheng and the ink stone made in Duanxi are the best known.
Sunlight shines through the paper in the sliding doors, casting latticework shadows on the tatami mat floor in the room where Hiroko Harada arranges the tools of her art: paper, brush, ink and inkstone.
The challenge of sho is to penetrate the heart and mind of the viewer, somewhat in the manner of radioactivity, by creating shapes on a sheet of paper with a single brush.