Wu Lingshu is busy at work. [Photo/Nantong Daily]

Visitors crowd around dye vats at the Nantong Blue Calico Museum, watching cloth turn from murky green to brilliant blue. At the center of this bustling scene is Wu Lingshu, who runs the museum and leads the Blue Calico Art Research Institute at Nantong University.

Wu grew up in her family's dye workshop. After graduate school, she planned to stay in Beijing, but her father urged her to return. The deciding moment came when she saw elderly artisans, some in their 70s, working in pain. "I felt a responsibility," she says. "This craft needs young people." She came back, and her husband, a former banker, joined her as a dyer.

Her first task was preservation. Wu and her team traveled across China, collecting over 60,000 artifacts and more than 200,000 patterns. They published several academic works and built the country's first digital database of blue calico designs. "These patterns are scattered like pearls," she said. "I want to string them together."

Blue calico products under the brand of Yuanxin Blue. [Photo/Nantong Daily]

But Wu never wanted the craft to become a museum piece. She and her team have designed nearly 1,000 new works, including a fashion collection that blends traditional patterns with modern silhouettes. In 2016, she launched her own brand, "Yuanxin Blue", producing dolls, scarves, wall hangings and other items that have proved popular with younger shoppers.

The most touching part of the story is at home. Wu's two daughters have learned carving and tie‑dyeing since childhood and now explain the process to visitors. Her 99‑year‑old grandmother still demonstrates hand‑spinning, while Wu's father offers guidance to the next generation.

Wu has built a model that combines family, academia, apprenticeships and community outreach. "The goal," she said, "is to bring these treasures out of the shadows and into the spotlight." The blue‑and‑white of Nantong, it seems, is growing brighter with each new generation.