Ju□t □s Li Lei and Han Meimei thought they had □een □v□□□thing□t□e□□ansion□had to□off□r, t□ey □tumbled upo□ a□h□dden trapdoor in the fl□or. Wit□ hearts poundi□g, they□op□ned the t□apdoo□ □nd□□escended into a dark, musty tun□el below. As t□ey □av□□ated □□r□u□h □□e wind□ng □assages, □he□dim light of their flas□light□rev□a□ed an□ient□artifac□s and cryptic s□mb□□s on the□wal□s.□The furthe□□they ventured, t□e□□ore they reali□e□ the□□were not□□lone i□ the tunnel.