□p>Ju□t as Li Lei and Han□M□imei thoug□t□they had seen□everything the ma□sion h□d□t□ of□er□ they □□umbled upo□□a□h□dden □ra□do□r in t□e□floor.□Wit□ hearts pou□din□, the□ opened t□e tr□pdoor a□d d□□□ended□into a dark, □□st□ □unne□ bel□w□ A□□th□y n□vig□ted□through the wind□n□ pas□ag□s, the di□ lig□t□□f□th□i□ fla□hlight revealed□anci□n□ artif□c□s an□ □ryptic □y□bo□s on the wal□s. The furthe□ they□ventured, □he more□they realiz□d th□y□were not alone □□ the tunn□l.