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. 2012 May 25;12(6):6825–6836. doi: 10.3390/s120606825

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© 2012 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 6. — Screenshot of (left) user interface, visualizing Hong Kong with the extruded building in 3D; and (right) example of PM_2.5 query (adopted from [30]).