A thoughtful man in formal wear sits indoors, surrounded by books, conveying a pensive mood.

Man Sitting on Sofa Beside Pile of Books

A woman in a striped shirt leans over a piano, evoking a sense of introspection in a black and white setting.

Grayscale Photography of Woman in White and Black Stripe Crew-neck Top

Close-up black and white image of a phrenology head with brain sections labeled.

Airplane soaring above fog-enshrouded skyscrapers in an urban setting.