The Earth Fell, and I Sneaked into an Alien Civilization in the Blink of an Eye

30,000 Years ago, just when humans officially announced their occupation of the third planet. There is a sudden movement in the center of the solar system. Relevant personnel found out after intervention. There appeared a picture shaped by light. The top one is a string of numbers. 13,002. The content of the picture is a circle with four lines in the middle and bottom, which is clearly the image of a person. Under him are three large circles. Surprisingly, there are three planets occupied by humans. Just when humans are in shock they have arrived