<Ul> <Li> It describes the peculiar American geography, where the inner city is poor while suburbs are wealthy; the converse is the norm elsewhere . </Li> <Li> It assumes an isotropic plane--an even, unchanging landscape . <Ul> <Li> Physical features--land may restrict growth of certain sectors; hills and water features may make some locations unusually desirable for residential purposes . </Li> </Ul> </Li> <Li> Commuter villages defy the theory, being a distant part of the commuter zone . </Li> <Li> Decentralization of shops, manufacturing industry (see Industrial suburb), and entertainment . </Li> <Li> Urban regeneration and gentrification--more expensive property can be found in formerly' low class' housing areas . </Li> <Li> Many new housing estates were built on the edges of cities in Britain . </Li> <Li> It does not address local urban politics and forces of globalization . </Li> <Li> The model does not fit polycentric cities, for example Stoke - on - Trent . </Li> </Ul> <Li> It describes the peculiar American geography, where the inner city is poor while suburbs are wealthy; the converse is the norm elsewhere . </Li> <Li> It assumes an isotropic plane--an even, unchanging landscape . <Ul> <Li> Physical features--land may restrict growth of certain sectors; hills and water features may make some locations unusually desirable for residential purposes . </Li> </Ul> </Li> <Ul> <Li> Physical features--land may restrict growth of certain sectors; hills and water features may make some locations unusually desirable for residential purposes . </Li> </Ul>

City centres burgess observed are constructed of major rings which three are they