A flat sky and a flat lake: why the photo looks grey, and the three-point curve that fixes it (sample tutorial).
Tutorials
Short editing lessons: backlit faces, grey skies, night streets and getting the export size right.
The sun behind your friends makes a beautiful sky and two dark faces. Here is the order that saves both (sample tutorial).
When the sky is brighter than the land, one edit cannot fix both. A sky mask can (sample tutorial).