Asked by: Sarah Fox, Australia
The main threat to the already excavated buildings and mosaics is moisture, which attacks the plaster and mortar. But Pompeii has attracted the best archaeological conservationists from around the world. In 2012, a 10-year project began installing protective roofs, removing existing moisture and researching the chemical structure of ancient plasters. There is also a moratorium on new archaeological excavations.
Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.