petrunine
old teacher is lecturing online, staying home and communicating with pupils by internet

petrunine
elderly experienced male professor of medicine is lecturing online sitting at office, teaching students

petrunine
male experienced virologist is lecturing online, using laptop with web camera and internet, remote conference

petrunine
aged professor of medicine is lecturing online from his office in clinic, medium portrait of doctor

petrunine
elderly man with headphones is speaking and looking at display of notebook, lecturing online from home

petrunine
e-learning by internet, aged man is lecturing, sitting home in front of laptop, communicating online

petrunine
woman dietologist is conducting webinar, sitting in front of laptop and looking at web camera, speaking and lecturing

petrunine
bored schoolgirl is drawing in copybook during online lecturing of teacher on laptop, homeschooling and e-learning of children

petrunine
aged female teacher is lecturing online, looking at web camera of laptop, distant education by internet, portrait of woman

petrunine
doctor is lecturing online on medical conference in distant mode during pandemic of coronavirus, discussion problem of developing of medicine

petrunine
physician is lecturing on online medical conference, closeup view on laptop with green screen for chroma key technology on table

ColinCramm
Young white professor explaining and talking. 4K loopable cartoon animation including alpha matte.

ColinCramm
Senior white professor explaining and talking. 4K loopable cartoon animation including alpha matte.

ColinCramm
Young black professor explaining and talking. 4K loopable cartoon animation including alpha matte.

ColinCramm
Senior white businessman explaining and talking. 4K loopable cartoon animation including alpha matte.

ColinCramm
Young black businessman explaining and talking. 4K loopable cartoon animation including alpha matte.

ColinCramm
Young white businessman explaining and talking. 4K loopable cartoon animation including alpha matte.