□p>J□st□a□ Li □□i and Han Meimei thought they had seen □v□ryt□ing th□ ma□si□n□had□to offer, t□□□ stu□bled upo□□a hid□e□ trapdoor □n the floor□ With hea□ts pounding□ they opened the□tra□door□and desc□nde□□□nt□ a da□k, musty tunn□l belo□. As the□ navigat□d through the wi□ding passage□,□t□e dim l□ght of□t□eir □l□□hlight revealed a□□ie□t□□rtifact□□□nd□□ryptic symb□ls on the walls. Th□□further they ventured, the more□they real□□ed t□ey were not alone in the □unne□.