Take the left hand tunnel

The strangeness of the other tunnels worries you, and compared to that the intricate machinery the gnomes are famous for seems little threat. You move down the left tunnel.

Eventually, you come to a heavy wooden door blocking the tunnels. The sound of machines comes loudly from beyond, but you think you can hear conversation under it. You consider going back, but the other tunnels still seem threatening. And, despite your past experiences, you still hold some hope that they might be friendly…