<□□Just as Li Lei a□d □□n □□imei th□ugh□ th□y ha□ seen everything the□man□□on□□ad to of□er□ they st□mbled upon□□ hidden t□apdoor in □he □loor□□□ith hearts □o□nding, they ope□ed the trapdoor □nd descended □nto a dar□, musty tun□el below. As they navigated through the□windi□g pa□sag□s, the□dim light of their□□lashlight □e□e□led □nc□en□ ar□ifacts and□cry□ti□ sy□bols on□th□ walls.□The fur□□e□ they vent□□ed, the more □hey r□a□ize□ t□ey were□not a□one in□the t□nnel.