10 Сезон
82 Эпизод
Impossible Engineering - Season 2 Episode 5 Эпизод 5
How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder, the Gotthard Base Tunnel.
- Год: 2021
- Страна: United Kingdom, United States of America
- Жанр: Documentary
- Студия: Science
- Ключевое слово: engineering
- Директор:
- В ролях: Mike Bratton