□ust a□ Li Lei and Han M□imei thought□□he□ h□d se□n ever□thin□□the mans□on had to offer, the□ s□umbled upon a h□□□en □rapdoor in t□e □loor. With heart□ poundin□, they o□ened the trapdoor and desc□□ded into a □ark, must□ tunnel below.□As they nav□gate□ t□rough the win□□ng pa□sages□ the dim□□ight □f their□flash□ig□t reveal□□ a□cient ar□i□ac□s□□nd cryptic sym□ols □n th□ w□□ls.□The further□□h□y venture□, th□ □ore□they rea□i□ed□they were not □□one in the tunnel.□/p>