caption: scale is an important measure of the earth's surface
exif: {"Image DocumentName": "Used to relate distance on a map or globe to distance on Earth\u2019s surface.", "Image ImageDescription": "scale.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}