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 JapaneseWest Cocoon Warehouse Audio Guide: - Provides easy-to-understand explanations of the West Cocoon Warehouse buildings and exhibited items - Runtime: Approximately 35 minutes- Available in Chinese, English, French, Korean, and JapaneseWest 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 minutesPrecautions:・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.