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The section on the Yuan dynasty is good enough, I suppose, although the article rather drops off a cliff after that. Template:Chinese_maps has some good sources for article expansion, particularly related to Zheng He and Matteo Ricci and their impact on China. "China's First Knowledge of the Americas" by L. Carrington Goodrich answered some questions I would've liked to have seen answered here, and "China's Opposition to Western Science during Late Ming and Early Ch'ing" by George H. C. Wong at jstor also has quite a bit about Chinese officials' rather pointed refusal to learn decent geography on principle and its motivation. — LlywelynII 09:54, 12 October 2012 (UTC)