for climb in the absence of light. The labyrinthine passage

enemy army to kill themselves along a tunnel containing numerous chambers cut out of solid rock which were used in the olden times as guard rooms and store houses. The turns and twists lead to a window, now covered with grills; but was originally a trap set for enemy intruders, who, on entering tumble down the slope to meet a watery grave in the moat below. The tunnel was impassable when the great obstacles come in the form of darkness, Caltrops, harrier of smoke and a splash of hot oil of water from above. The steps in the courtyard are newly constructed in 1952 for the convenience of tourists.