A panoramic view of a mountain lake, identified as one of the Lakes of Covadonga near Cangas de Onís, Asturias, Spain, under a clear deep blue sky

A panoramic view of a mountain lake, identified as one of the Lakes of Covadonga near Cangas de Onís, Asturias, Spain, under a clear deep blue sky. The lake water is blue-green with ripples, showing submerged rocks and vegetation in the transparent shallows near the foreground. The immediate shoreline consists of rocks, green grass, and moss. Surrounding hills feature sparse green vegetation and exposed rock formations. A dark, shadowed rock face is prominent on the right. A single faint white contrail extends horizontally across the upper left sky. No people, objects of human origin (besides the contrail), or actions are discernible.