A visitor takes photo of the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Tools of woodblock printing are displayed at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Wei Lizhong (C), inheritor of Chinese woodblock printing technique, introduces the artwork at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Visitors look at the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

A visitor takes photo of the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

A visitor takes photo of the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Visitors look at the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Visitors look at the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

Wei Lizhong (L), inheritor of Chinese woodblock printing technique, introduces the artwork at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)

A visitor looks at the Shizhuzhai woodblock print at an exhibition in National Art Museum of China in Beijing, capital of China, Sept. 5, 2018. The Shizhuzhai woodblock printing technique was listed as the National Intangible Cultural Heritage in China in 2014. (Photo: Xinhua/Lyu Xun)