一级理论和二级理论的区别

Zi Chejun knew that Ning Cheng didn't know much about this place, so he patiently explained that the most famous place in Eternal Sky Star City is Zhongtian Square, which is where we are now. But the reason why Zhongtian Square is famous is not because of this square, but because of the three towers. Jiujiu Star Peeping Tower, Unfalling Galaxy Tower, and Eternal Starry Sky Tower....