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 11 · spans the page · from the scan, no model involved

The explosion ripped the pipe to bits and dug a giant V-shaped hole in the ground. Nearbv houses were evacuated, but no one was injured.
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