| Примечание: | Xiao Yunru believes that the location of the Silk Road is about 30 degrees north latitude, which belongs to the warm temperate climate in the monsoon region. Taking this line as the central axis, Xi'an, Greece, Rome and many other birthplaces of civilization are gathered here. The most typical ones are ancient Babylon (located in West Asia, now in Iraq), ancient Egypt (located at the junction of West Asia and North Africa, now in Egypt), ancient India (located in South Asia, including present-day India, Pakistan and other countries) and China . These four ancient civilizations actually correspond to the birthplaces of the world's four major civilizations, namely the Mesopotamia, Nile, Indus, and Yellow River basins, where four large-scale human civilizations were first born. Therefore, for the entire earth, it is a chain on the spherical surface, and it is a special "chain" that brings together the earliest birthplaces of the four major human civilizations. This is a space concept, which Xiao Yunru calls the "chain of the earth". |
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