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In page 1291:

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  • In Japan the temple of Nanzen-ji at Kyoto is established by Emperor Kameyama. This temple becomes one of the most important religious schools within the Rinzai sect of Zen Buddhism and includes multiple sub-temples.[citation needed]
  • Guo Shoujing, Chinese engineer and astronomer, constructs the artificial Kunming Lake, which is developed into a reservoir with summer gardens for Khanbaliq (or Dadu of Yuan), Mongol capital of Emperor Kublai Khan.