Describir: The architectural refinements of St. Mark's at Venice

 ______     _____     _____     ______   ______      ___              
|      \\  |  ___||  / ____||  /_   _// |      \\   / _ \\      ___   
|  --  //  | ||__   / //---`'   -| ||-  |  --  //  / //\ \\    /   || 
|  --  \\  | ||__   \ \\___     _| ||_  |  --  \\ |  ___  ||  | [] || 
|______//  |_____||  \_____||  /_____// |______// |_||  |_||   \__ || 
`------`   `-----`    `----`   `-----`  `------`  `-`   `-`     -|_|| 
                                                                 `-`  
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`