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The tunnel is narrow, but there is sufficient headroom to allow you to enter on horseback. You lead the way, steering your nervous horse through the winding passage, which is lit by the glow of mine flies swarming in the roof overhead. Gradually the tunnel descends to a cavern where the floor is covered with puddles of a milky liquid which bubbles up from fissures in the rock. Your horse lifts its head, sniffs the cool air, and gives voice to a harsh neigh, alerting you to danger: in the distant shadows something alien is stirring.
