Shea, Marilyn. «Forbidden City - History». University of Maine at Farmington. Archivado desde el original el 5 de enero de 2019. Consultado el 4 de febrero de 2014. «Emperor Yongle chose a young architect to design and oversee the construction. Kuai Xiang 蒯祥 (Kuǎi Xiáng) was in his early thirties when he began the work. He used the Imperial Palace in Nanjing as the base model and incorporated historical references to palaces built during the Tang and Song Dynasties. He referenced Confucian, Daoist, and traditional astronomical belief systems to create an expression of Chinese philosophy and belief systems. It took 13 years to complete the initial palace and walls. Through the centuries additions have been made to the original design of the Forbidden City, but the heart of the palace is that of Yongle and Kuai Xiang.»
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Shea, Marilyn. «Forbidden City - History». University of Maine at Farmington. Archivado desde el original el 5 de enero de 2019. Consultado el 4 de febrero de 2014. «Emperor Yongle chose a young architect to design and oversee the construction. Kuai Xiang 蒯祥 (Kuǎi Xiáng) was in his early thirties when he began the work. He used the Imperial Palace in Nanjing as the base model and incorporated historical references to palaces built during the Tang and Song Dynasties. He referenced Confucian, Daoist, and traditional astronomical belief systems to create an expression of Chinese philosophy and belief systems. It took 13 years to complete the initial palace and walls. Through the centuries additions have been made to the original design of the Forbidden City, but the heart of the palace is that of Yongle and Kuai Xiang.»
