My thanks to all who had a go at identifying last week's mystery photo. Congratulations and virtual gold stars go to Jan, Ragged Robin and ImaBurdie who correctly identified a piece of a horsetail reed.
On to this week's puzzle photo
Can you work out what this is part of?
Clue: 40 mph couch potato
Guesses in the comments will be revealed along with the answer next Monday
No prizes - just for fun.