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Why is the Black Square hanging upside down in the Tretyakov Gallery? Detailed answer

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Why is the Black Square hanging upside down in the Tretyakov Gallery?

Studies of Malevich's "Black Square" using a microscope and X-rays revealed that two earlier works painted with colored paints are hidden under it at once - one belongs to the cubo-futuristic period of the artist's work, the second to the proto-Suprematist one. Also, under a layer of paint, an inscription made by Malevich "Battle of the Negroes at Night" was found, referring to the absolutely black comic canvas by Alphonse Allais, written 30 years earlier. And the location and direction of the inscription indicates that the picture hangs upside down in the Tretyakov Gallery.

Authors: Jimmy Wales, Larry Sanger

 Random interesting fact from the Great Encyclopedia:

Where does twirling the index finger at the temple mean that the person is thinking?

Twisting the index finger to the temple in Italy means an eccentric person, in Argentina it serves as an invitation to the phone, and in Peru it means "I think."

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