wet test of headworks structures
15:05
Construction of a powerful 4-gate discharge dam
14:43
Spillway flap gate opening
9:10
Lower Solu Hydropower Project Headworks Area
12:18
2018年度亀山ダム点検放流
7:18
Daily maintenance activities at hydro power dam site
12:01
Ce que nous avons découvert enterré a choqué le monde entier❌ chasse au trésor
5:41
I METODI DI IRRIGAZIONE: Funzionamento IRRIGATORE A BRACCIO OSCILLANTE o A BATTENTE
4:10