Archaeologists have uncovered ancient Roman graves beneath a thriving Adriatic city, offering a glimpse into life long before it became a tourist destination. The graves were found in the Relja district of Zadar, a coastal city in Croatia. Zadar is known for its coastline and historic charm — which includes plenty of Roman ruins. A post shared by the University of Zadar’s Department of Archaeology indicated the necropolis dates from the first century B.C. and the fifth century A.D. The busy Relja neighborhood stands atop “part of the large ancient necropolis of Roman Zadar,” the department said. “In Roman times, cemeteries were located outside city walls, most often along main roads, so along one such route the Romans buried their dead here for nearly 500 years,” the post noted. Across the wider Relja area, including a major shopping center and various landmarks, archaeologists have uncovered 3,000 graves, according to the department.…