Ju□tasL□Le□an□H□nMeim□itho□ghttheyhadseeneverythingth□□ansionhad□ooffe□,theys□umbleduponahi□□□ntrapdoor□n□he□loor.Wi□□□eartsp□unding,theyopened□he□rapdooranddes□endedintoada□k,mustytunnelbelow.Asthe□navigatedthro□g□the□indingpassages,th□dim□i□h□□ftheirf□ashl□ghtrevealedancien□arti□a□tsandcryp□ic□ymbolsonth□w□lls.Thefurtherth□yv□ntured,th□mor□the□r□ali□□dt□□y□ere□ot□lonein□hetunn□l. JustasLiLeiandH□nM□im□it□oughtt□ey□ad□eenev□rythingth□mansionha□too□□□r□t□e□stumbledu□onahiddent□apd□o□i□theflo□r□Withhe□rtspounding,the□openedthetrapdooranddescendedintoadar□□mu□tytunnelbelow□As□heynav□□ate□throu□hthewind□ngpassages,thediml□ght□fth□irflashlightr□vealedancientar□□factsan□crypticsymbolso□thewal□s□Thef□rt□er□h□y□entu□e□□themo□□th□yreal□□e□theyweren□□aloneinthetunnel. Jus□asLiL□iandHanMeim□ithoughttheyhads□eneverythi□gthemansionhad□ooffer,theystum□leduponahiddentrapdoorinthefloor.Withhe□rtspoun□ing,the□o□enedthetrapdoorand□□scended□ntoa□ark,musty□unnelbe□ow.□sth□ynaviga□□dth□ou□hthew□ndingpassa□es,thedim□ig□□of□□eir□las□lightrev□ale□ancientart□fa□ts□ndcryp□icsymbolson□hewall□.□hefurthertheyve□tured□themoretheyrealize□theywe□eno□□loneinthetu□nel□<□p□ Ju□tasLiLeiandHa□Meimeith□□g□t□□eyhadseenev□□y□hingthemansi□□hadtoo□□er,the□s□um□l□duponahid□ent□□□doorinthefloor.Withhea□tspoundi□g,t□eyopenedthetrapdo□r□nddesce□□edi□toadar□,□usty□unnelbe□o□□Asthey□avigatedt□roughth□windingpassag□s,thedimlightof□he□rflashl□ghtre□ealedancien□art□facts□ndc□yp□icsymbolsonthewalls.Thefurthertheyventure□,□hemoretheyrealize□theywerenotalo□ein□hetunnel□<□p□ Justas□iLe□□ndHanMei□eit□oughtthe□h□d□e□neverythingthemans□onhadtoof□er,□heystumbledu□□nah□ddentrap□oor□nthefl□□□.With□e□r□spoundi□g□theyopenedth□trapdooranddes□e□dedin□oadark□musty□unne□below.Ast□e□na□i□atedt□roughthewindin□□assages,□hediml□g□□ofthei□□lashlightrevealedancienta□tif□ctsandcry□tic□ymb□lso□thewall□.Th□further□h□yventured,t□em□ret□eyreali□edthey□erenotaloneinthetunnel.<□p>