Green Chalkboard with the Text Co-Learning Hangs on the Dark Old Concrete Wall in the Interior of a Modern Office. Illustration with Doodle Style Elements. 3D, stock photo

Stock image of 'Green Chalkboard with the Text Co-Learning Hangs on the Dark Old Concrete Wall in the Interior of a Modern Office. Illustration with Doodle Style Elements. 3D.'
Published: June 7, 2016
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