Now I'd like to talk other similarities and differences between Korea and US. When I went to the Iowa City Public Library, I was surprised, because the floor of the library is made by materials for absorbing sound. So I could walk without concerning for making noise with my footstep sound. If we were at the Korean library we would be more careful when we needed to move other place, because the floor material is usually made by wood or tile. One of my pleasures for visiting the library is meeting children. In the Iowa City Public

Generally the facilities of public buildings are clean and convenient. Whenever I go to the rest room, I do not need to make a wry face. If you visit Korea you will experience clean facilities too.
Picture(Iowa city public library, 2007).
http://www.icpl.org/kids/