The tombs – which date from the "six dynasties" period from AD 220 to 589 — were uncovered in Jiangsu province, the Nanjing Morning Post said.
But the tombs were destroyed by excavation machines and bulldozers making way for an outlet for the Swedish home furnishings chain, according to the report.
"The tops of some of the tombs were chopped off by bulldozers, disclosing some green bricks," it said, citing a witness.
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