Echoing in eternity: 2,100-year-old Alexander the Great mosaic analyzed for restoration

In 333 BCE, near the small Pinarus River along the modern-day borders of Turkey and Syria, a fierce battle took place between the forces of Alexander the Great and the Persian king Darius III. Here, in the Battle of Issus, Alexander's army of 75,000 Greeks faced Darius' vastly superior force of approximately 600,000 Persian troops.