Describir: Space in medieval painting and the forerunners of perspective

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