Emergency exit
The trapdoor of the emergency exit
The trapdoor of the emergency exit with the beginning of the shaft below the initial tract of the entrance corridor (24/06/1999).

The shaft of the emergency exit begins from a trapdoor located near the first curve of the entrance corridor, then passes underneath it and, after turning to the right underneath the trench, opens to the outside about 10 meters downhill.

The external exit of the emergency exit
The external exit of the emergency exit, almost completely obscured by earth  (24/06/1999).

The external exit is still equipped with a metal door, blocked open by the earth which almost completely obscures it.

Detail of the emergency exit
Detail of the emergency exit with the metal door blocked open by earth (09/10/1999).