Beneath Beijing’s bustling streets lies a secret. A network of tunnels stretches for miles a hidden city beneath the city. This is the Underground City also known as Dixia Cheng. Built during the Cold War it served as a massive bomb shelter. Imagine millions of people sheltering underground from a potential nuclear attack.
The Underground City’s construction began in 1969. Sino-Soviet relations were tense. Mao Zedong ordered its creation to protect Beijing’s population. Hundreds of thousands of people even school children helped dig. They worked tirelessly often without heavy machinery. Existing city walls were demolished to provide materials.
The scale of the project was immense. The tunnels cover 85 square kilometers. They extend 8 to 18 meters beneath the surface. At its peak there were around 90 entrances many hidden in plain sight. Think shops and buildings seamlessly blending with the city’s facade. The complex was equipped with everything imaginable. Restaurants clinics schools theaters factories even a mushroom farm. Everything was designed for self-sufficiency. Elaborate ventilation systems ensured air quality. Water-proof hatches and thick concrete gates provided protection.
The Underground City was officially opened in 2000. However it was largely unknown to local citizens. Foreign tourists were more likely to visit. They could explore a small circular section. They would see signposts to landmarks like Tiananmen Square and the Forbidden City. Murals depicting volunteers and slogans like “Accumulate Grain” and “Prepare for War Prepare for Famine” adorned the walls. Visitors could even witness silk production in a functioning factory.
The Underground City is now closed for renovations. It remains a fascinating relic of a bygone era. A testament to China’s past anxieties and its incredible capacity for massive projects. A true hidden wonder beneath Beijing’s feet. The city beneath the city. A secret history waiting to be rediscovered.