Things I like.

math

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  z = Re(e^x+iy)
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  z = Im(e^x+iy)
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  Monkey saddle
  ${\displaystyle z=x^{3}-3xy^{2}\,}$
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art

Scagliola

misc.

people

animals

architecture

Sprinkenhof, Museum Kunstpalast, Muqarnas

heraldry