<□□Jus□ as Li Lei an□ □an Mei□ei th□u□ht t□e□ had □ee□ eve□□thing the mans□□n h□d□to o□□er, they s□umbled u□on a hidden trapd□or i□ the floor. Wi□h hearts pounding, t□ey opened □he trapdoor and des□ende□ into□a dar□, musty tunne□ □elow. □s t□□□ navig□te□ through □□e wind□ng pass□□es, □he dim light□of t□□ir□□lashlight re□eal□d a□cient□a□tifacts and□cryptic□symbols o□ the walls. The□further the□ ventured, th□ □ore they rea□iz□d they we□e not□a□one in the□tunne□.□>