Hello @barski,
of course I'm back in. Unfortunately this time I didn't find a picture of a water reflection and there are no puddles in front of the door. What also creates a mirror image is the shadow of an object that is illuminated by the sun. Here a nice example:
https://steemit.com/photography/@depot69/my-entry-for-show-me-the-reflection-16-photo-contest-by-barski