Abandoned cities

1
did you ever hear,some cities are abandoned in the modern world.yes! it's true,there are 5 cities which are abandoned

1.centralia, penn
2.prypiat, ukraine
3.humberstone and santa laura , chile
4.detriot, mich
5.hashima island ,japan
MUKIL, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Mar 2013.
i now about japan but wat are the reasons for abondent in ither cities
vishnuprakash, proud to be a member of Vidyarthiplus.com (V+) - Online Students Community since Apr 2013.