These provided information about the history of the city of Loulan, which had once been located on the shores of Lop Nur but had been abandoned around the year 330 CE because the lake had dried out, depriving the inhabitants of drinking water.
Sie gaben Aufschluss über die Geschichte der Stadt Loulan, die am See Lop Nor gelegen hatte und von den Bewohnern um 330 verlassen wurde, weil der See austrocknete und damit das Trinkwasser fehlte.