| thetruesize.com | |
| 网站标题： | The True Size Of ... |
| 网站简介： | Drag and drop countries around the map to compare their relative size. Is Greenland really as big as all of Africa* You may be surprised at what you find! A great tool for educators. |
| 关键字： | map projections mercator projection is wrong mercator projection country map compare countries relative size world geography locations world map educational maps educational geography compar |
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| 网站标题： | isdc.ch |
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| www.isdc.ch | |
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