When inside, the window is our connection to the outside world.
Henri Matisse, the impressionist, painted lots of interiors. Very often there is a window with a view in his paintings. Recently, I came across Pierre Bonnard, a post-impressionist painter. When I researched his paintings (thanks to google images) I realized he must have known Matisse. He painted similar windows with a view! And indeed they were friends, they were even part of the same group (Les Nabis) and inspired each other.
Artists have always been inspired by windows with a view: