![](http://www.alamy.com/thumbs/6/A9C265EB-CEC2-41A2-BF59-8B5AC976E0A1/M6T8E5.jpg)
Blank white speech bubbles hanging from a cord in front of a black Board.
Size: 6000px × 4000px
Photo credit: © Alexskp / Alamy / Afripics
License: Royalty Free
Model Released: No
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