Great Wall of China at Mutianyu

19. Guard Tower

Watchtowers are densely placed along this section of the Great Wall - 22 watchtowers on this 2,250-meter-long stretch.

Features:
• 1.4 miles (2,250m) long
• 22 blockhouses and watchtowers
• 26 feet (7-8m) high and 20 feet (4-6m) wide