Infra-red and GPS technologies has helped provide the most detailed measurement of the Great Wall of China, increasing the official to now 8,850km (5,500 miles). Previous measurements were based on historical records and have been proven to underestimate the total length.
Read more: Great Wall of China ‘even longer’ – BBC News
The Look of Maps: An Examination of Cartographic Design is a cartographic classic by Arthur H. Robinson originally published in 1952. The book was based on Robinson’s doctoral research “which investigated the relationship between science and art in cartography and the resultant refinement of graphic techniques in mapmaking to present dynamic geographic information.”
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