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Frank Hoffman's useful Korean Studies Portal has a new feature: he has collated various mapping services on Korea--South and North--in one place. These include Google, Bing, Yahoo, OpenStreet, and an old Russian map. He has also included the 'raw' maps for the Korean map services Daum, Naver, and Olleh although these cannot be integrated via OpenLayers yet. You can move between them using the simple toolbar on the right hand side.
The maps get really granular; see for example the Google street map of the peninsula. One striking feature is how much more dense the road infrastructure is in the South, even controlling for population. The maps thus provide yet another indicator of the great divergence between North and South.
