The capital city of Latvia is Riga. It has maintained the atmosphere of a medieval German city.
A.Latvia's capital, Riga, is a medieval German city with a nice atmosphere.
B.Latvia's capital city, Riga was established in medieval times, and it looks like a German city.
C.Riga, Latvia's capital city, was established by the Germans in medieval times.
D.Riga, Latvia's capital city, still reflects the characteristics of a medieval German city.