students work on projects during a class
{"Image Make": "Apple", "Image Model": "iPhone 5s", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "8.1.1", "Image DateTime": "2015:04:15 16:47:32", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "204", "GPS GPSLatitudeRef": "N", "GPS GPSLatitude": "[35, 17, 5693/100]", "GPS GPSLongitudeRef": "W", "GPS GPSLongitude": "[120, 39, 923/20]", "GPS GPSAltitudeRef": "0", "GPS GPSAltitude": "23677/265", "GPS GPSTimeStamp": "[23, 47, 26]", "GPS GPSSpeedRef": "K", "GPS GPSSpeed": "0", "GPS GPSImgDirectionRef": "T", "GPS GPSImgDirection": "65438/249", "GPS GPSDestBearingRef": "T", "GPS GPSDestBearing": "25669/310", "GPS GPSDate": "2015:04:15", "Image GPSInfo": "1598", "EXIF ExposureTime": "1/30", "EXIF FNumber": "11/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "50", "EXIF ExifVersion": "", "EXIF DateTimeOriginal": "2015:04:15 16:47:32", "EXIF DateTimeDigitized": "2015:04:15 16:47:32", "EXIF ComponentsConfiguration": "", "EXIF ShutterSpeedValue": "21292/4339", "EXIF ApertureValue": "7892/3469", "EXIF BrightnessValue": "7489/2173", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, auto mode", "EXIF FocalLength": "83/20", "EXIF SubjectArea": "[1631, 1223, 1795, 1077]", "EXIF SubSecTimeOriginal": "879", "EXIF SubSecTimeDigitized": "879", "EXIF FlashPixVersion": "", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3264", "EXIF ExifImageLength": "2448", "EXIF SensingMethod": "One-chip color area", "EXIF SceneType": "0", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF FocalLengthIn35mmFilm": "29", "EXIF SceneCaptureType": "Standard", "EXIF LensSpecification": "[83/20, 83/20, 11/5, 11/5]", "EXIF LensMake": "Apple", "EXIF LensModel": "iPhone 5s back camera 4.15mm f/2.2"}