Mattepaint - Window Lights At Night

https://mattepaint.com/academy/tutorial/window-lights-at-night/

Painting light in windows or in cities at night time might is a skill that all artists should understand and master. In this video we go through a few ways we can do this and look at the blending modes you should use. We also look at how the formations in the image effect the fall of the light and how respecting those formations creates a far more realistic result.