Birch tree's golden color

EXIF Information extracted from file:
DateTimeOriginal: 2009:10:13 01:23:11
ImageDescription:
Camera Make: Canon
Camera Model: Canon PowerShot SD960 IS
Exposure Time: 1/640.0 seconds
FNumber: 5.0
ISO Speed Ratings: ISO 80
ExposureBiasValue: 0
MaxApertureValue: 5.0
MeteringMode: multi-segment
Flash: Flash did not fire, compulsory flash mode
FocalLength: 14.843 mm
Software: Picasa 3.0