| http://www.w3.org/ns/prov#value | - Now consider that in a city such as London, building seperate paths would prove next to impossible on all but the biggest roads and the problem becomes apparent, it would simply be impossible to build a joined up network, complete with junctions (separate traffic light systems etc), our roads and pavements are too narrow for the most, especially in central London, and the costs would be prohibitiv
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