Underground Great Wall
Underground Great Wall, Military tunnel network in Yongqing County, China.
The Underground Great Wall comprises 5,000 kilometers of interconnected tunnels constructed beneath the surface for military operations and strategic defense purposes.
The tunnel system emerged as a modern extension of China's defensive infrastructure, designed to protect and transport intercontinental ballistic missiles across the nation.
This subterranean structure represents China's commitment to national defense through engineering, reflecting traditional practices of building protective barriers against external threats.
The network includes multiple access points, specialized storage facilities, and transportation routes that enable the movement of military equipment through concealed passages.
Research conducted over three years indicates the tunnels can withstand conventional weapons and maintain operational capacity during potential conflicts.
Location: Yongqing County
GPS coordinates: 39.32000,116.50000
Latest update: March 29, 2025 10:39
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