Nantianmen Project Xuannv's Legacy

In 2187, the Chinese lunar scientific expedition team discovered the remains of the prehistoric civilization "Xuannu Clan" on the back of the moon, from which they analyzed anti-gravity technology, quantum communication and other technologies that surpass human cognition. The United Nations secretly launched the "Southern Gate Project" to establish an earth orbit defense system and a deep space exploration fleet. However, the legacy of Xuannv's civilization is not only a gift, but also a warning. They left behind six spheres of knowledge before their demise, each containing technological power that could destroy civilization. Human beings must make a choice between greed and reason, and bear corresponding responsibilities while gaining power. From the first contact with the lunar base to the difficult development of Mars colonization; from the first encounter with the Sirians to the all-out war with the Draconians; from the internal disputes in the Earth Federation to the ultimate showdown of galactic civilization - this is a profound thinking about technology and human nature, civilization and barbarism, survival and destruction.