It was one weekday in May, 2010 around 2pm. I could smell strong Ddukbokki (Korean traditional spicy street food) smell. I wished I could bring that smell onto the map itself. Then, actually thought of bringing the actual air from the area. But then, the whole idea is about the visualization of the smell, so I gave up bringing the actual smell and thought of "balloons" as a method to show the smell. By different sizes and colors of the balloons, I could design information.