The Roman graves are situated high above the municipality of Nehren between vineyards. The tombs, dating from the fourth century AD, were rebuilt on their foundations in 1974. The burial chamber of the first tomb is the only room from antiquity still existing in the Rhineland in which the original painting of the walls and the vault has been largely preserved. It is the family tomb of a landowning family whose residence is to be found in the extensive rubble field that was repeatedly excavated on the terrace directly north above the village of Nehren. The graves were extensively restored in 2002-2005. From here you have a magnificent view of the Moselle valley.
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The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.