We visited Nagano in this Golden Week. I dropped in the Michino Eki Shinano. There were something interesting on the wall for visitors. What is it ?

https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0994-768x432.jpg?fit=768%2C432https://i2.wp.com/saywhatjapan.com/wp-content/uploads/2018/05/DSC_0994-768x432.jpg?resize=150%2C150TSSTREET, DRIVINGMichino Eki,Nagano,ShinanoWe visited Nagano in this Golden Week. I dropped in the Michino Eki Shinano. There were something interesting on the wall for visitors. What is it ?- POST PHOTO ! HELP TRANSLATE JAPANESE ! ALL FREE !! -