Laborers working on the infrastructure of a sewage canal network have unearthed a Roman-era burial cave from the 2nd or 3rd century A.D. near the ruins of Baalbek in northeastern Lebanon, the official National News Agency reported Tuesday.

Site supervisor Khaled al-Rifai said the cave contained one human skeleton, leaves made of gold, glass rings and other artifacts.

Al-Rifai was quoted as saying that representatives of the antiquities department accompanied the excavations because of the archaeological importance of the Baalbek area, famous for its Roman ruins, some 36 miles northeast of Beirut.

Al-Rifai said digging is still continuing in the cave and that more skeletons and artifacts are expected to be unearthed.