Mandatory Credit: Photo by Costfoto/NurPhoto/Shutterstock (13952586a) QIANXINAN, CHINA - JUNE 7, 2023 - Villagers feed mulberry leaves to silkworm worms at a silkworm house in Qianxinan, Guizhou province, China, June 7, 2023. Silkworm Industry, Qianx