ID 282562665 © Nimito | Megapixl.com
Model Released
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
blackboard board broadcasting call cellphone classroom college distance educate education educational elearning equation example formula headphones instructor internet job knowledge learn learning lecture lecturer lesson male man math mature online person physics professor remote school smartphone study teach teacher teaching training tripod tutor tutorial university video whiteboard work writing 4k