SiveOne and Mr. Flash painted on the subject of technology, research and science a pop art portrait of Juri Gagarin during 11.11.2011. Gagarin was the first cosmonaut of the humanity. He has circuited the earth in space fifty years ago. The graffiti art of 3Steps is to be found on a building at the Technische Hochschule Mittelhessen university campus in Giessen.