You will find something more in woods than in books.
Trees and stones will teach you that which you can never learn from masters.
St. BernardToday is #treetuesday.
Knowing how much 
dislikes guidelines rules, I decided to take a couple of photos of the bird feeders hanging on my newly blooming maple tree.
You can see tree branches, so these count as entries for this challenge. A little stretch of the imagination perhaps.
ISO 400mm | 200mm | f/5.6> 1/500sec
The blue of heaven is duplicated in my own soul.
The songs of the birds are in the high branches of my being.
Muriel Strode (1875–1964), "Songs of Him: V," A Soul's Faring, 1921ISO 400 | 200mm | f/5.6 | 1/1000sec