Iridescent blue ice is revealed as a small portion of the Taku Glacier, near the glacier's snout, calves into the grey meltwater below (photo: Chad Shmukler).
{"Image Make": "Canon", "Image Model": "Canon EOS 5D Mark III", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 5.0 (Macintosh)", "Image DateTime": "2014:01:20 22:49:46", "Image ExifOffset": "216", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "842", "Thumbnail JPEGInterchangeFormatLength": "21008", "EXIF ExposureTime": "1/1000", "EXIF FNumber": "63/10", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "640", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "640", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:07:16 00:00:31", "EXIF DateTimeDigitized": "2000:01:01 00:00:31", "EXIF ShutterSpeedValue": "1245723/125000", "EXIF ApertureValue": "331919/62500", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "40", "EXIF SubSecTimeDigitized": "64", "EXIF FocalPlaneXResolution": "160", "EXIF FocalPlaneYResolution": "160", "EXIF FocalPlaneResolutionUnit": "4", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "152027003493", "EXIF LensSpecification": "[17, 40, 0/0, 0/0]", "EXIF LensModel": "EF17-40mm f/4L USM", "EXIF LensSerialNumber": "0000000000"}