2004 October.  Inicio de la Destroza en Morrenas.

2004 November.  Old North portal view

2004 December.  Ventilation station construction in south portal.

July 2004.Beginning works in ventilation station.

2004 August 2004.  Control center in North portal.

2004 September. Works in Ventilation station in South portal

2004 April 2004. Water plant in south portal.

2004 May.  Jumbo working in the tunnel.

2004 June.  Refuge and offices.

2004 January. South portal covered by snow.

2004 February. Contamination water plant (South portal).

2004 March.  Old south portal.