[Episode 4] Lee Jiah | The Home | (Eng / Ind Sub) | 이지아

EBS XR Space Grand Project: The Home guided by Lee Jiah 이지아 Episode 4 Earth Earth is the dynamic planet that we call home. It formed over 4.5 billion years ago, and it has been changing ever since. Sometimes these changes happen very fast, like an earthquake or a volcanic eruption. But most changes happen so slowly we don’t notice them at all.