The Great Stupa, Stupa I, built in the first century b.c. , envelops a smaller mound erected some 200 years earlier.
The Stupa I and its mound were created by the same culture.
mnli hypothesis: The Stupa I and its mound were created by the same culture. premise: The Great Stupa, Stupa I, built in the first century b.c. , envelops a smaller mound erected some 200 years earlier.