Dotted across the mountainous roads of Sichuan and just a few hours’ drive from some of China’s most bustling cities, the crumbling ruins of an abandoned military experiment are eerily quiet.
Top secret factories that once housed thousands of workers are now overgrown with vegetation; nearby villages, empty of young people who were once shipped in from across the country to build China’s future, are plastered with advertisements for hearing aids and, in one case, a bundle deal on coffins.