Father was in Sierra Nevada, loving colorful sunsets there, ((forests)) covering valleys, ((river reflecting the sunlight)), where he showed layers of (((chalk deposits))) in nature, told how the earth's crust is formed, why we see a clear layered structure of (((mountain ranges))), and how volcanic lava affect it, and what magma does, and why it is even worth doing this.
Father was in Sierra Nevada, loving colorful sunsets there, ((forests)) covering valleys, ((river... [more]