Describir: Effects of nearby walks and concrete areas on indoor natural lighting..

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