The Rocky Mountains form the backbone of North America. They sure make a beautiful backbone! But how did they come to be and what animals call them home? Read on and find out.
洛磯山脈是北美洲的山脊,且壯麗無比!但是,洛磯山脈是怎麼形成的呢?山上又住著哪些動物呢?快翻開書來瞧瞧吧!
The Rocky Mountains form the backbone of North America. They sure make a beautiful backbone! But how did they come to be and what animals call them home? Read on and find out.
洛磯山脈是北美洲的山脊,且壯麗無比!但是,洛磯山脈是怎麼形成的呢?山上又住著哪些動物呢?快翻開書來瞧瞧吧!