zondag, 00:15 
Abandoned Engineering (Abandoned Engineering), History, United Kingdom, 2018
Abandoned Engineering
series, movies-entertainment, technology, architecture, science, history
Hidden tunnels that saw a city prosper; a sunken wreck with a remarkable past; a concrete wartime dome; a mysterious cold war building. Now they lie disused, contaminated, and dangerous. But who built them? And why were they abandoned?