Here's my entry into 
This is an area of the building I work in that has experienced some pretty extensive water damage over the last few decades. I have an obsession with images of abandoned buildings and their falling apart to "return to nature". I saw this particular section of rot when some construction was started and just had to get a couple shots of it. If not for the steel I-beams running everywhere I probably would not go in this upstairs area.
Shot on an iPhone 15 Pro using the Leica Pro app. Settings were 35mm SLX @ f1.4.
A couple other angles of the same section of damage:
And here's another section of floorboards that were uncovered. You can see how some sections are still pretty healthy, but others are far from it:
