Llyn Celyn is a reservoir constructed between 1960 and 1965 including the highly controversial Tryweryn flooding in the valley of the River Tryweryn in Gwynedd, Wales. This included the forcible removal of the Capel Celyn village residents despite protest and opposition of Welsh MPs.
Llyn Celyn
Tree stumps exposed by low water level of reservoir
Llyn Celyn during the extended hot spell of summer 2018, showing low water levels.
Protests at the official opening of Llyn Celyn
A reservoir is an enlarged lake behind a dam, usually built to store fresh water, often doubling for hydroelectric power generation.
Kardzali Reservoir in Bulgaria is a reservoir in the Rhodope Mountains.
Lake Osceola on campus of the University of Miami in Coral Gables, Florida, May 2006
Some reservoirs such as this in Argos, Peloponnese are made for recreational purposes, rather than storing fresh water.
Lake Vyrnwy Reservoir. The dam spans the Vyrnwy Valley and was the first large stone dam built in the United Kingdom.