Explore the Underground City of Beijing

Step into a surreal world beneath the bustling streets of Beijing. This is no ordinary sightseeing venture! The Underground City, a maze of tunnels constructed in the 1970s, was once a secret refuge from invasions. Now, it's a relic of Cold War history and a thrilling place for those curious about Beijing's subterranean past. The labyrinth of passageways stretches far and wide beneath the city's surface, waiting for urban adventurers to uncover its secrets.