caption: In about 1450, a man from a small German town came up with a printing press.
exif: {"Image DocumentName": "In about 1450, a man from a small German town came up with a printing press.", "Image ImageDescription": "This press had pieces of metal type that could be used over and over again to print pages of text..", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}