Trier’s Porta Nigra, also known as the Black Gate to the city, dates back to the Roman Empire and is the symbol of the city. Many concerts and entertainment events occur in front of the Porta Nigra. To obtain more information about eventsin Trier and other locations throughout the Eifel, go to http://www.spangdahlem.af.mil/thesaberherald.asp. (US Air Force photo/Iris Reiff)