Describir: Solar charts for the design of sunlight and shade for buildings in South Africa /

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