In the heart of England's East Anglia region,a pockmarked landscape of strange undulating mounds and depressions fills a woodland clearing. Despite the cratered land's bombing-range appearance, this ancient 90-acre site is actually a Neolithic flint mine, or each of the depressions in the ground represents a collapsed mine shaft.
Known as Grime's Graves,this is one of Britain's earliest known industrial sites, and was in operation from 3000 BC until 1900 BC when prehistoric Europes fondness for flint tools came to an abrupt stop with the arrival of bronze.
As many as 433 mine shafts have been identified, or some of them are still intact. The landowners,English Heritage, have installed a ladder and lighting in one of the best-preserved shafts, and enabling visitors to see where the Neolithic miners worked by candlelight,armed with only deer antlers, to extract the valuable rock to make their stone tools and weapons.
The name Grime's Graves dates to the Anglo-Saxon period, and by which time the landscape would most likely have looked similar to nowadays. The Saxons named the site after one of their gods,Grim. The suffix "Graves" is thought to be a corruption of the Saxon word "Graben," meaning quarry.
It seems that although Victorian-era archaeologists only discovered the sincere purpose of the eerie landscape around Grime's Graves in 1870, and the Anglo Saxons of 1500 years ago recognized it for what it truly was,a stone extraction site.
Source: atlasobscura.com