"The ancient technique is like we have found the cultural root. Everything starts from here," she says.
Recovering the technique paved the way for the first step.
"What do we use this craft for? What do we want to express? That's the real question," she says.
Over the next three decades, she and Chang continued to create glassworks and exhibited in countries including France, the United States and the United Kingdom.
"Every time I'm abroad, seeing people accept my work, pay attention to it, or care about it, I feel such joy because that means I've shared our culture once more," Yang says.
