Lasers burn away 1600 years of grime to reveal richly-coloured Roman frescoes

Two hundred feet below the streets of Rome, a team of archaeologists has discovered 1,600 year old frescoes using laser beam technology.

The brightly coloured paintings, which date to around 360 AD were uncovered on the ceilings of two ancient Christian tombs in the labyrinthine Catacombs of St Domitilla. Hidden for centuries under layers of algae, smoke residue and calcium they were brought to the surface using 2mm laser beams. Continue reading