Observe the rules of etiquette when we are traveling abroad
1.Don't knock the door in the toilet
Generally, in Korea, we knocked when we were going to use toilet. Especially but in other countries, this action makes people very upset.
Don't talk too much at a late night when you are in hostel.
When you are staying in hostel, you are not alone. Therefore, you should have to think about other people. Speaking loudly in late night make people very angry. So becareful.