Describir: Space in medieval painting and the forerunners of perspective

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