Christina Verbeek has worked for years on the restoration of the Neferhotep tomb in Luxor. On Sunday the chamber with the magnificent murals will be opened to tourists.

The expert fears this moment. Visitors don't even have to touch anything to cause damage. Your mere presence is enough, says Verbeeks. "As a restorer I would immediately shout “Yes!” when it comes to extensive closures, especially since there is no difference," she says.