Tired grey hair professor touching eyes at blackboard — Stock photos

"Tired grey hair professor touching eyes at blackboard" is a stock image by IgorVetushko. It’s available in the following resolutions: 1000 x 667px, 2000 x 1335px, 7354 x 4908px. The minimum price for an image is 2.99$. Image in the highest quality is 7354 x 4908px, 300 dpi, and costs 9.99$.