1. The system developed over the millennia and has also led to many musical genres among the people of Eurasia and North Africa.
2. Amber is resin from tens of millions of years ago that has become fossilized over millennia.
3. Both are refuges for unique animal and plant species, and both contain spectacular rock formations shaped over millennia.
4. Discovery of the ruins shed light on the evolution of Chinese culture and its written characters over the past three millennia.
5. The horse has been a subject of deep interest and fascination for Chinese artists over the millennia.
6. We are such horrible and wonderful creatures and our nature hasn't changed much over the millennia.
7. This means China's architectural landscape has the potential to change more over the next two decades than it did during two millennia of imperial rule.