This week the photo challenge is Roof. Sandra at https://daffodilwild.wordpress.com is one of the hosts of this meme. Her lovely blog will have lots of other ideas to look at.
Taught many years ago to always look up at buildings, to see the Summer visiting Swifts up high is a joy. I love their chattering and skillful darting around, feeding in the air. This is one split second of their activities captured, high amongst the roof tops.