Just□a□ Li Lei□a□d Han Mei□ei thought they had□se□□□ever□th□ng the □a□sion had to□offer, they stumble□ upon a hi□d□n trapdoor □n the fl□or. With he□rts pounding, th□y opened th□ □rapdoo□□and de□cended i□t□ a dark, musty tunn□l bel□w. As□they n□vi□ated □□□ou□□ the□wi□ding□passa□es, the d□m □ight of th□ir□flashlight □eve□l□d an□ient□artif□cts and cr□ptic symb□ls on □he□□alls□□The□fur□□□□ they venture□, the more □□e□ re□lized □hey were□not alone□in the □unne□□