aUnsolved Mysteries of the Origin of the Earth

The Unsolved Mysteries of the Origin of the Earth (Collective Edition of Color Drawing) selects the most mysterious and interesting mysteries encountered in the process of exploring the origin of the earth from the relevant data, and matches them with beautiful pictures to tell readers the mysteries about the origin and development of the earth, and expand readers' understanding of the earth house. The earth is the common home of human, and the objective reality that people have been studying for thousands of years, but many of earth's truth remains shrouded in mystery, especially its origin and development process.