The secret tunnel of the Templars at Acre ran beneath their fortress and the city and out into the sea. After the fall of Acre in 1291 the entire city and the Templar fortress were destroyed, but not the tunnel which was discovered in 1994. Photograph by Michael Haag.
The Tragedy of the Templars and the Crusader States by Michael Haag tells the story of the failure of the Crusades and the tragedy that followed for the Templars and for the Middle East.
The Tragedy of the Templars will be published in autumn 2012 by Profile Books in Britain and by Harper Collins in the United States.