have very little in common with its real appearance Based on the middle age descriptions, it has been hypothesized that the "terebinthus" was a tomb of "tumulus" type, like the so-called "tomb of the Curiatii" at the beginning of the 6th mile of the Appian Way; In this case, the circular monument was composed of a large plinth tiled with travertine; above it, there was a "tumulus" of earth surmounted with a cylinder in masonry.