Smiling grey hair professor sitting on desk in empty lecture room and talking by smartphone — Stock photos

"Smiling grey hair professor sitting on desk in empty lecture room and talking by smartphone" is a stock image by IgorVetushko. It’s available in the following resolutions: 1000 x 667px, 2000 x 1335px, 7112 x 4746px. The minimum price for an image is 2.99$. Image in the highest quality is 7112 x 4746px, 300 dpi, and costs 9.99$.