Just as Li□Lei and Han Meimei□□houg□t the□ ha□ seen everythi□g t□e man□io□ had to offer, the□ stu□b□□d up□□ a□hidd□□ trapdo□r in□the □l□or.□Wit□ he□r□s p□unding, they□□pened □he tr□p□oor and □escende□ into a d□rk, mu□ty tu□nel below□ A□ they navigated through the wind□n□ passag□s, t□e□dim light of th□ir fla□hlight□rev□□led an□ie□t artif□c□s □nd cr□ptic symbols □n □□□ walls□ Th□ further□th□y vent□r□d□ the more they re□lized they were□not alo□e in □he t□nnel.<□□>