Nuori ohjelmoija silmälaseissa työskentelee pöytätietokoneen ja kannettavan tietokoneen kanssa yöllä - Kuvapankin valokuva ja kuva

Young Caucasian businessman with eyeglasses using smart phone for writing or reading message while sitting in the office late at night. In front of him laptop. Side view.

Busy and concentrated doctor sits at table using his computer and analyzing in dark room at night.

Young bearded Caucasian businessman typing on laptop and having earphones in ears while sitting in the office late at night.

Businessman working with computer at night. Hacker

Happy employee working on the project and sitting in the office late at night.

Happy employee using laptop for working on project while sitting in the office late at night.

Night portrait of young thoughtful man, touching chin, typing on laptop in dark room with garlands on desk at home.

Young man working on laptop