BACKGROUND TUTORIAL background stands with window  shades
{"Image ImageWidth": "530", "Image ImageLength": "900", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image Make": "Canon", "Image Model": "Canon EOS 5D Mark II", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CC 2015 (Macintosh)", "Image DateTime": "2016:03:02 00:12:51", "Image Copyright": "2016 Modern Vintage Photography", "Image ExifOffset": "332", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "954", "Thumbnail JPEGInterchangeFormatLength": "4476", "EXIF ExposureTime": "1/160", "EXIF FNumber": "14/5", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2016:03:01 10:49:32", "EXIF DateTimeDigitized": "2016:03:01 10:49:32", "EXIF ShutterSpeedValue": "915241/125000", "EXIF ApertureValue": "1485427/500000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "1", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF SubSecTime": "53", "EXIF SubSecTimeOriginal": "53", "EXIF SubSecTimeDigitized": "53", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "530", "EXIF ExifImageLength": "900", "EXIF FocalPlaneXResolution": "5616000/1459", "EXIF FocalPlaneYResolution": "1872000/479", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "352300373", "EXIF LensSpecification": "[50, 50, 0/0, 0/0]", "EXIF LensModel": "50mm"}