The Catacombs of Domitilla in Rome is an early Christian burial site in Rome. The followings images were derived from a 1.2 billion point laser-scan of the interior: 30GB of data.
"The Domitilla Catacomb is the largest of Rome’s over 60 known catacombs, built by the early Christian communities between the late 2nd and the early 5th century. The soil around Rome consists mostly of tuff, which allows easy digging, and therefore catacombs were extended frequently and without plan. The result is a very irregular network of galleries, 15km in the case of the Domitilla Catacomb, which is challenging to document.... The documentation of the geometry of archaeological monuments, buildings, or findings by laser-scanning evolved rapidly over the last years, as scanning devices became more precise and are able to record more points in one
pass. One of the first large scan projects was the Digital Michelangelo Project, where 10 statues created by Michelangelo were digitized. The largest single data
set, the statue of David, consists of 2 Billion triangles... (Scheiblauer, et all. 2009)
These are like burrows, ichnofossils of some cambrian creatures den...
Sources:
and google image search.
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