caption: 舞蹈_三个,小,芭蕾舞女,舞蹈室
exif: {"Image ImageDescription": "The silhouettes of little ballerinas in dance studio posing on a white background", "Image Make": "Canon", "Image Model": "Canon EOS 5D Mark II", "Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS4 Windows", "Image DateTime": "2016:12:30 17:22:04", "Image Artist": "Photographer:Slyusarenko", "Image Copyright": "Copyright:Slyusarenko", "Image ExifOffset": "464", "Image XPTitle": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... ]", "Image XPKeywords": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... ]", "Image XPSubject": "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... ]", "Image CameraOwnerName": "Slyusarenko", "Image BodySerialNumber": "432315224", "Image LensSpecification": "[100, 100, 0/0, 0/0]", "Image LensModel": "EF100mm f/2 USM", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "4896", "Thumbnail JPEGInterchangeFormatLength": "3266", "EXIF ExposureTime": "1/160", "EXIF FNumber": "8", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "", "EXIF DateTimeOriginal": "2015:06:22 09:45:49", "EXIF DateTimeDigitized": "2015:06:22 09:45:49", "EXIF ShutterSpeedValue": "915241/125000", "EXIF ApertureValue": "6", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "2", "EXIF MeteringMode": "Spot", "EXIF Flash": "Flash fired, compulsory flash mode", "EXIF FocalLength": "100", "EXIF SubSecTimeOriginal": "95", "EXIF SubSecTimeDigitized": "95", "EXIF ExifImageWidth": "1024", "EXIF ExifImageLength": "683", "EXIF FocalPlaneXResolution": "5616000/1459", "EXIF FocalPlaneYResolution": "1872000/479", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}