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 _    _    __   __   _    _     ______   __   _   
| || | ||  \ \\/ // | \  / ||  /_   _// | || | || 
| || | ||   \ ` //  |  \/  ||   -| ||-  | '--' || 
| \\_/ ||    | ||   | .  . ||   _| ||_  | .--. || 
 \____//     |_||   |_|\/|_||  /_____// |_|| |_|| 
  `---`      `-`'   `-`  `-`   `-----`  `-`  `-`

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Text this: Kerr black hole surrounded by dark matter: Horizon, photonosphere and shadow