□p>Ju□t □□ Li□Lei□and Han Meimei thou□ht they had □e□n everything the m□n□□on h□d□to offe□, □hey stumbled upon a hidden tr□p□o□□ in the □loor. □ith□hearts p□u□ding,□the□ open□d□t□e trapdoo□□an□ desc□nded in□o a □□rk, mus□y tunnel bel□w□ A□□□hey na□i□at□d□□hr□□gh□t□e w□nding passa□es, th□ dim light of the□r fl□shlig□t revealed□an□i□nt arti□□c□□□and crypti□ symbols o□ the w□l□s.□The further □□ey ve□tured, the □ore they real□zed□they were not □lone in□the tu□□el.