It's not every day archaeologists get to lift the lid on a tomb that's been sealed shut for 1,700 years – but that's exactly what happened beneath the streets of Budapest, where researchers have uncovered a remarkably intact Roman sarcophagus.
The limestone coffin was discovered during excavations in Óbuda, a northern district that was once part of Aquincum, a thriving Roman settlement along the Danube. And here's the extraordinary bit: it had never been opened or disturbed since it was first sealed all those centuries ago.
