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Notebook pen and unfinished text
Blurry photo paper with notes
Multicolored pencils in a circle
Vintage picture of a physicist in class
Graffiti in the form of a dark background with inscriptions
Odnerka krestovaya map
An open book is lying on the table
The book with the notes is on the table
Vintage image of the Book of Wisdom
Red apples and a butterfly on the book
A black-and-white book lies next to a candle and a clock
A scientist on the background of a blackboard with formulas