Having finished speaking, he rose and lifted the rucksack, ten times his size, with determination. With a steady gait, he walked resolutely into the passage.,Stepping inside, you find a wide, metallic corridor. The passage has weathered the countless years, rusted and worn. On its walls are arrow markings etched with the sap of unknown plants.,While replenishing physical energy, I looked around and silently felt the atmosphere.。