Justa□□iL□iand□□nMeim□□thoughttheyhadsee□everyt□ingtheman□ionhadtooffer,the□stumbledup□nahiddentrapdoo□int□eflo□r.Withhear□spoun□ing,they□pened□h□tr□p□oorand□escen□e□i□□oadark,must□tunn□□b□l□□.As□h□□navi□□te□throughth□winding□assage□□thedimlightof□heirflashli□htr□vealedancienta□ti□actsandcr□pti□symbolsonthewalls.Th□furthe□□heyvent□re□,themoret□eyre□□iz□dtheywere□ota□onei□thetunnel.□/p>□p>□ustasLiLeiandHanMeim□ithoughtt□eyhadseeneverythingthe□an□ionhad□□o□fer,t□eystumbl□duponahidde□tr□□doori□th□flo□r.□it□□earts□ounding,t□eyopened□het□apdooranddescendedinto□dark□mus□□tunnelbelow□As□hey□avigated□hroughthewindin□□assages,□hediml□ghto□theirflas□lightrevealedanc□e□tart□factsandcry□□□□s□□b□lsont□ewalls□Thefurth□rth□yventu□ed,t□emoreth□□real□zedtheywereno□alo□e□nthetunne□. Ju□ta□Li□eiandHan□eimeit□oughttheyh□ds□ene□erythin□thema□□ionhadt□□ffe□,theystum□le□up□nahiddentr□p□□orinthefloor.Withheartspoundi□g,theyopenedthet□apdo□randdescendedin□o□d□rk,mustytun□elbelow.A□theynavi□a□edthrought□□windingpassag□s,□□edimlightoft□□i□fla□hli□htrevealedanci□n□□rti□actsandc□□pticsymbolsont□ewa□ls.Thef□rthe□theyventu□ed,themoretheyrealiz□dtheyw□re□ot□lon□inthet□nnel. JustasLiLeiandHa□Meim□it□oughttheyh□dseeneverythin□th□□ansio□hadtoo□fer,th□ystum□□e□uponahiddentrapdo□ri□the□loor.□ithhearts□ou□□ing,theyope□e□t□etrapdooran□desc□n□edin□oadark,□ustyt□nnelbelow.Ast□eynav□g□tedthr□u□h□he□indi□g□□ssages,□hedimligh□oftheirfl□s□ligh□reveale□ancienta□t□f□ctsand□ryptic□y□bolsonthewall□.□hef□□the□t□eyven□ured,themoretheyrealizedt□□ywer□notalon□inthetunnel.