A mature, bearded teacher sits at his desk, teaching online through a laptop. He looks thoughtful as he lectures. — Stock photos

"A mature, bearded teacher sits at his desk, teaching online through a laptop. He looks thoughtful as he lectures." is a stock image by IgorVetushko. It’s available in the following resolutions: 667 x 1000px, 1333 x 2000px, 5504 x 8256px. The minimum price for an image is 2.99$. Image in the highest quality is 5504 x 8256px, 300 dpi, and costs 9.99$.