Describir: The social dimension of the conservation of historic centres :

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