00:00. The construction and completion of the hydroelectric project at Kraftwerk Jettenbach-Töging along the Inn River in Bavaria, Germany.
08:17. The process of tunnel excavation using Tunnel Boring Machines (TBMs).
12:58. Construction of a Forced Pipeline - Romanche Gavet Hydroelectric Power Plant
18:19. The first tunnel boring machine of the Grand Paris Express comes into action.
![](https://s2.save4k.ru/pic/_ev1bm3PpYA/mqdefault.jpg)