Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
A visitor uses a magnifying glass to look at a piece of work by Pan Qihui at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows a tool he uses to make miniature carvings at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)
Pan Qihui shows miniature calligraphy he carved at an exhibition in Chongqing, June 23, 2018. The smallest characters carved by Pan are as thin as a hair and a magnifying glass is needed to see them. (Photo: China News Service/Chen Chao)