An Aerial Drone View Of The Aidu Quarry An Open Pit Mine In Ida-Viru County, Estonia Which Opened In 1974. 360 Degrees Panorama Stock Photo

Aidu quarry is an open pit mine in Ida-Viru County which opened in 1974. Villages in Aidu were inhabited before the establishment of the oil shale mine, with the earliest records of human habitation in the Aidu area dating back as far as 1241. The villages of Aidu, Aidu-Nõmme and Aidu-Liiva disappeared during the establishment of the quarry and over 200 families were forced to leave their homes.The dig site area of the quarry was around 25 km2 and its oil shale output reached up to about 2.4 million tons a year. About 90 million tons of oil shale was mined from the quarry.