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@@ -143,6 +143,8 @@ <h2> Attribution: </h2>
           Inspiration of hierarchical data visualization: <a href= "https://observablehq.com/@sjengle/java-11-api-hierarchy-visualization" target = _blank>Java 11 API Hierarchy - Visualization </a></br>
           Inspiration of geospatial data visualizaton: <a href= "https://blockbuilder.org/sjengle/1d673a35f2cb304c572a137277d3d150" target = _blank> Template of Lab - Maps</a> </br>
           Inspiration of heatmap: <a href = "https://blockbuilder.org/sjengle/47c5c20a18ec29f4e2b82905bdb7fe95" target = _blank>Zillow Affordability Heatmap</a> </p>
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           <p><i> About images used in headers: except the hero-image for About Page was retrieved <a href = "https://www.itl.cat/wallview/imJRTT_harry-potter-slytherin-wallpaper-hd-harry-potter-wallpaper/" target = _blank>here</a>, all other pictures are taken by Alex Wang.</i></p>
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