About this app This is an official audio guide for the World Heritage Site, Tomioka Silk Mill, and the National Treasure, West Cocoon Warehouse. Tomioka Silk Mill Audio Guide: - Provides easy-to-understand explanations for the Tomioka Silk Mill buildings and history - Runtime: Approximately 30 minutes - Available in Chinese, English, French, Korean, and Japanese West Cocoon Warehouse Audio Guide: - Provides easy-to-understand explanations of the West Cocoon Warehouse buildings and exhibited items - Runtime: Approximately 60 minutes - Available in Chinese, English, French, Korean, and Japanese West Cocoon Warehouse Rokyoku Audio Guide: - Voiced by traditional rokyoku narrative singer Daifuku Tamagawa - Entertaining highlights of episodes related to facilities and labor, etc. mixed with rokyoku - Runtime: Approximately 30 minutes Precautions: ・Please use headphones when listening to the audio guide at the site. ・The app is free, but data and cellular fees are borne by the user.