![](http://www.alamy.com/thumbs/6/E23FFA4E-62CF-4094-9D31-346CB374B0C5/K1BKCC.jpg)
Render illustration of BDNF title on head silhouette, with cloudy sky as a background
Size: 4500px × 3000px
Photo credit: © alon harel / Alamy / Afripics
License: Royalty Free
Model Released: No
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