23 Εποχή
705 Επεισόδιο
Modern Marvels - Season 1 Episode 1 Επεισόδιο 1
The world’s largest concrete dam–and the largest concrete structure in the world–lies on the Columbia River in the State of Washington. B uilt in 1931, it is also one of the largest hydroelectric power plants in the world.
- Ετος: 2022
- Χώρα: United States of America
- Είδος: Documentary
- Στούντιο: History, H2
- Λέξη-κλειδί: technology, invention, disaster, construction, machine
- Διευθυντής: Bruce Nash
- Εκμαγείο: