The “Landesmesse” in Stuttgart Germany was the biggest building site in Europe at the time of its construction. It is the state of the art exhibition center, architecturally and functionally justified.    The showground with a total area of 100000m² is located in the vicinity of the Stuttgart airport and consists of seven exhibition halls with 10500m² exhibition space, and an extra high exhibition hall with about 26800m² space. 65000t of steel was erected in the exhibitions’ center steel structure.