Great Wall Insights

After the Mongol rule, the Ming Dynasty focused on building an impressive wall for defense, utilizing brick and a network of guard towers. Despite its initial purpose, the wall eventually became a cultural symbol, attracting millions of visitors each year, even as significant portions have fallen into disrepair. Interestingly, the myth that it is the only man-made object visible from space has been debunked, yet the Great Wall remains an unparalleled feat of human engineering.