Peering in-between the trees through the mist, other trees can be seen beyond a hazy sunlit clearing in the far distance.
Except for the raised wood trim around the frame the door becomes part of the forest..

The door knob is nearly invisible. Can you find it?
The intercom and the light switch are visible at close distance. But from afar, they are harder to pick up.
The doorknob is in the center, left of the door trim, in the red flowers.