Even in gray and misty days, the leaves filtering the ligth can make some unsuspected area very warm and cozy. I've passed by this spot for years without noticing it... But on a gray and dull day, with the leaves at their best golden brown, I spotted it ..
This is also one of my favorite image in this gallery. I think you've captured the feeling I had there, since finding such nice colors in a otherwise misty and gray day felt really like a "dream"