十分钟(☝)极速推理。□□re th□n ha□f □□ us now live i□ c□ties. Cr□w□ed□ chaoti□ and bursti□g□with □ife -□these□are□pl□c□s un□er p□ess□□e. In □his brand ne□□□□ries, Dan Snow, Anit□□Rani and Ad□ Adep□tan go □e□ind th□ s□e□es to reveal the □i□den systems and □rmies o□□□e□□□□□running some of the□gre□test cit□es on□earth. Find out how □□xi□o C□□y keeps its i□habitants safe f□om earthquak□□, and meet local □eop□e who off□r an i□side look a□ □ife in metropolis□s □ike Delhi □nd Hong Kong□ M□a□□h□□e□ M□s□ow'□s incredible arc□itec□u□e s□ows that the world□□39;s bu□iest cities also □ave so□e of the riches□□histo□ie□.