a mother and her young child walk from the bright sunny grass into the cool area beneath a large oak tree. They immediately relax as they escape the harsh sunlight above. The tree's thick branches and leaves block the sun's rays from reaching the ground below. Dark shadows spread across the grass where the family now stands comfortably. Other park visitors also gather in similar spots under nearby trees to escape the heat. A dog lies contentedly in another shaded patch nearby. the area being protected from direct sunlight by having natural shade