The Serre-Ponçon lake was created in 1959 by the construction of a dam.
Since then, the level of the lake has never fallen as low as this year (August 2022) except when it is emptied to do maintenance on the dam.
<a href="//commons.wikimedia.org/wiki/User:Celeda" title="User:Celeda">Celeda</a>
<span class="int-own-work">Self-photographed</span>