Meet the keeper of the Vatican's 2,797 keys

Crea holding a big mast of keys while walking in a gallery at the Vatican Museums. — Photos: TIZIANA FABI/AFP

It's still dark outside when Gianni Crea pushes open the imposing entrance door to the Vatican Museums in the Vatican City, a heavy ring of keys in his hand.

Soon he is moving through the deserted corridors to open the doors of some of the most visited galleries in the world.