Nowadays,millionsofmigrantworkersflockintocitiesinsearchofjobsandbetterliving.However,withthesharpriseintheurbanpopulation,manyproblemsariseinthedevelopmentofcities.
Firstly,citiesbecomemoreandmorecrowded,puttingmuchpressureupontransportation,housing,sanitation,education,employmentandsoon.Cityservicesandfacilitieshavebeenstrainedtoabreakingpoint.Secondly,agrowingnumberofprivatecarsemithugeamountofcarbondioxide,leavingtheairmercilesslypolluted.Whatismore,thecityisalsothreatenedbyrisingcrime.Notasingledaypasseswithoutthereportofsomeonebeingrobbed,kidnappedormurdered.
Lastbutnotleast,city-dwellersarenotonlyseparatedfromthenaturalworldbutalsoisolatedfromeachother,evennotknowingthenameoftheirnext-doorneighbor.
Alltheseproblemshaveharmedtheattractivenessofthecity.Unlessthereissomeimprovement,moreandmorepeoplemayseektoliveinthesuburbs.