Muž na přísnou tvář sit mezi hromadami knih, při studiu v knihovně, regály na pozadí. Učitel nebo student s bradkou sedět u stolu s brýlemi, rozostření. Knihomol koncept. - Stock fotografie a obrázky

Man on strict face sit between piles of books, while studying in library, bookshelves on background. Teacher or student with beard sit at table with hourglass and glasses, defocused. Bookworm concept.

Bookworm concept. Man on strict face sit between piles of books, while studying in library, bookshelves on background. Teacher or student with beard sit at table with hourglass and glasses, defocused.

Bookworm concept. Teacher or student with beard sit at table with hourglass and glasses, defocused. Man on strict face sit between piles of books, while studying in library, bookshelves on background.

Bookworm concept. Man on strict face sit between piles of books, while studying in library, bookshelves on background. Teacher or student with beard sit at table with hourglass and glasses, defocused.

Man on strict face sit between piles of books, while studying in library, bookshelves on background. Teacher or student with beard sit at table with hourglass and glasses, defocused. Bookworm concept.

Man on strict face sit between piles of books, while studying in library, bookshelves on background. Bookworm concept. Teacher or student with beard sit at table with hourglass and glasses, defocused.

Portrait of man with beard and good eyes reading book in hand on bookshelf background. Education and science concept. Scientist busy with reading book. Teacher, student with beard studying in library.

Man, nerd on surprised face between piles of books in library, bookshelves on background. Nerd concept. Teacher or student with beard wears eyeglasses, sits at table with books, defocused.

Man on confident face stands between piles of books, while studying in library, bookshelves on background. Librarian concept. Teacher or student with beard stands at table with books, defocused

Nerd concept. Teacher or student with beard wears eyeglasses, sits at table with books, defocused. Man, nerd on surprised face between piles of books in library, bookshelves on background.

Man on thoughtful face holds hourglass while studying, bookshelves on background. Man, scientist in glasses looks at hourglass. Time flow concept. Teacher or student with beard studying in library.

Business man sitting at the office and thinking about what to write

Teacher or student with beard stands at table with books, defocused. Librarian concept. Man on confident face stands between piles of books, while studying in library, bookshelves on background.

Librarian concept. Teacher or student with beard stands at table with books, defocused. Man on thoughtful face stands between piles of books, while studying in library, bookshelves on background.

Man on concentrated face reading book, studying, bookshelves on background. Man sits at table with mug and hourglass. Teacher or student with beard studying in library. Self education concept

Librarian concept. Teacher, scientist with beard stands at table with books, defocused. Man on thoughtful face stands between piles of books, while holds hourglass, bookshelves on background.