13. Amber
Amber, fossilized tree resin, was treasured as jewelry and ornament in Europe and Asia. The Amber Road connected the Baltic to the Mediterranean, making it a staple of prehistoric and Classical trade. (en.wikipedia.org)
Amber, fossilized tree resin, was treasured as jewelry and ornament in Europe and Asia. The Amber Road connected the Baltic to the Mediterranean, making it a staple of prehistoric and Classical trade. (en.wikipedia.org)