Assertion: pyramid | /r/HasProperty | excavated
Facets:
Source sentences:
text: Constructed from the 3rd century BC to the 9th century AD, this pyramid is considered the largest monument ever constructed anywhere in the world, and is still being excavated.
text: The pyramid was first excavated using modern techniques and scientific analysis in 1880 CE by Sir William Matthew Flinders Petrie (1853-1942 CE), the British archaeologist who set the standard for archaeological operations in Egypt generally and at Giza specifically.