ID 273807549 © Aaron595 | 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.:
middle age man male adult elderly mature person handsome senior beard serious shelving book student study education standing teacher teach teaching work working glasses knowledge class lesson professor learning board white chalkboard explaining explanation holding speaking maths mathematics exercise read reading room classroom school background indoor interior indoors college university library