If you stay in Nagasaki before coming here, you wi...

If you stay in Nagasaki before coming here, you will receive a discount card at the hotel to give you a discount on major Nagasaki attractions. If you show it, you can enter for 300 yen for adults (as of February 19).
If you listen to the explanation while using the free audio, it is good to know the history of Nagasaki.
If you go here first, I think it's good to be Nagasaki.