In Portugal, the Varosa dam was built on a small tributary of the Douro River. The concrete vault is best known for its impressive staircase built in terraces, allowing the natural rock and the structure of the dam to merge.
Kirov Reservoir
The Kirov Reservoir is a reservoir located in the Talas region, in northern Kyrgyzstan. The main function of this construction is to control the irrigation of the land in the Talas Valley. The reservoir has a capacity of 550 million cubic meters, allowing to irrigate 55,000 ha of land between Kyrgyzstan and Kazakhstan.