Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 17 · column 3 of 9 · from the scan, no model involved
Some birds, that migrate thousands of miles each year, have an incredible capacity to hear low sounds undetectable by human ears, says National Wildlife’s Ranger Rick magazine. For example, a bird may be directed toward its destination by the sound of an ocean’s low rumble of surf 100 miles away.
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