பகிரப்பட்ட ஒலி

“The Great Wall of China stretches over 21,000 kilometers, making it one of the longest structures ever built by humans. Construction began more than 2,000 years ago, with walls, watchtowers, and fortresses guarding against invasions. Legends tell of soldiers and laborers who sacrificed everything for this monumental feat. It’s a symbol of perseverance, strategy, and ingenuity.”