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Artificial Circles
Remains of the ancient city of Darabgerd, 550–330 BC   near city Darab, Fars Province, Iran 
It is one of the oldest cities in Iran, mentioned in very ancient literary works of this country; a legend says that Darius I (550–486 BC), the third king of the Persian Achaemenid Empire (550–330 BC) visited the city. Around this ancient city, there is a huge conical wall (originally more than 10 m high) built of stone, lime and clay. Erosion process destroyed the wall, which is only 7 m high today.
Diameter of circle 1800 meters
28.690998, 54.478201

Remains of the ancient city of Gōr, 550–330 BC   near city Firuzabad, Fars Province, Iran 
The original ancient city of Gor, dating back to the Achaemenid period (550–330 BC), was destroyed by Alexander the Great. 
Centuries later, Ardashir I, the founder of the Sassanian Empire, revived the city before it was ransacked during the Arab Muslim invasion of the seventh century. It was again revived by the Buyids, but was eventually abandoned in the Qajar period and was replaced by a nearby town, which is now Firuzabad.
Diameter of circle 2000 meters
28.852830, 52.532343
Palmanova, Province of Udine, Italy 
Palmanova was built following the ideals of a utopia. It is a concentric city with the form of a star, with three nine-sided ring roads intersecting in the main military radiating streets. It was built at the end of the 16th century by the Venetian Republic which was, at the time, a major center of trade. It is actually considered to be a fort, or citadel, because the military architect Giulio Savorgnan designed it to be a Venetian military station on the eastern frontier as protection from the Ottoman Empire.
Diameter of circle 1440 meters
45.905547, 13.310040

Connaught Place,  New Delhi, India
Connaught Place is one of the largest financial, commercial and business centers in New Delhi, India. It is often abbreviated as CP and houses the headquarters of several noted Indian firms. The main commercial area of the new city, New Delhi, during the erstwhile British Raj, its environs occupy a place of pride in the city and are counted among the top heritage structures in New Delhi. It was developed as a showpiece of Lutyens' Delhi with a prominent Central Business District. 
Diameter of circle 656 meters
28.632815, 77.219675
The Mount Taranaki, stratovolcano in the Taranaki region on the west coast of New Zealand's North Island 
In 1881, a circular area with a radius of six miles (9.6 km) from the summit was protected as a Forest Reserve. With intensively-farmed dairy pasture reaching right up to the mostly-circular park boundary, the change in vegetation is sharply delineated in satellite images.
Diameter of circle 19330 meters
-39.297133, 174.063366
Hamadān, Hamadan Province of Iran 
Hamadān is the capital city of Hamadan Province of Iran. Hamadan is believed to be among the oldest Iranian cities. It is possible that it was occupied by the Assyrians in 1100 BC; the Ancient Greek historian, Herodotus, states that it was the capital of the Medes, around 700 BC. Hamadan was redesigned in 1928 by German architects and urban planners to resemble the spokes of a hexagram.
Diameter of circle 1540 meters
34.798225, 48.514917
The Mir mine, is an open pit diamond mine located in Mirny, Sakha Republic, in the Siberian region of eastern Russia 
The mine is 525 meters deep (4th in the world) and has a diameter of 1,200 m, and is one of the largest excavated holes in the world. The development of the mine started in 1957, in extremely harsh climate conditions. Seven months of winter per year froze the ground, making it hard to mine. During the brief summer months, the ground turned to slush. Buildings had to be raised on piles, so that they would not sink from the warmth of the building melting the permafrost. The main processing plant had to be built on better ground, found 20 km away from the mine. The winter temperatures were so low that car tires and steel would shatter and oil would freeze. During the winter, workers used jet engines to thaw and dig out the permafrost or blasted it with dynamite to get access to the underlying kimberlite. The entire mine had to be covered at night to prevent the machinery from freezing.
Diameter of circle 1130 meters
62.527910, 113.995069
Charles De Gaulle Airport, Paris, France 
The first terminal, designed by Paul Andreu, was built in the image of an octopus. It consists of a circular terminal building which houses key functions such as check-in counters and baggage claim conveyors. Seven satellites with boarding gates are connected to the central building by underground walkways.
Diameter of circle 855 meters
49.014402, 2.542014
The Nardò Ring, high speed test track located at north-west o f the town of Nardò, Italy
The track is 12.5 kilometres long and is round,  the lanes are banked at such a degree that a driver in the outer most lane doesn't need to turn the wheel while driving at speeds of up to 240 km/h 
It was built in 1975.
Diameter of circle 4000 meters
40.328204, 17.826486
Rotonda West, Florida, USA 
Rotonda West is an unincorporated, deed-restricted community situated in west Charlotte County, Florida, United States. It was developed and named Rotonda West by Cavanagh Communities Corporation, the developers of a projected but now defunct community named Rotonda in southern Martin County and northern Palm Beach County.
Diameter of circle 5110 meters
26.892684, -82.272518
Black Rock City, Nevada, USA (annual Burning Man) 
“....We arranged the city around a geographic center formed by the location of the Burning Man This position functioned like the fixed point of a drawing compass. From that spot our builders could survey the arc that defined the curve of Black Rock City’s concentric streets.”
Rod Garrett’s essay Designing Black Rock City. 1995
Diameter of circle 3500 meters
40.787181, -119.204564
New Al Falah in Abu Dhabi, United Arab Emirates.
Abu Dhabi city has a record of number of big circular urban formations. New Al Falah classical  village urban formation has a biggest size over all of them.
Diameter of circle 2150 meters
24.444778, 54.728143
The Crescent Dunes Solar Energy Project, Nevada, USA
The Crescent Dunes Solar Energy Project is a 110 megawatt  net solar thermal power project with 1.1 gigawatt-hours of energy storage, located near Tonopah, about 
190 miles (310 km) northwest of Las Vegas. The project includes 10,347 heliostats that collect and focus the sun's thermal energy to heat molten salt flowing through an approximately 640-foot (200 m) tall solar power tower.
Diameter of circle 2850 meters
38.239117, -117.362956
Irrigation field near Hopetown, South Africa
Center-pivot irrigation is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers. A circular area centered on the pivot is irrigated, often creating a circular pattern in crops when viewed from above Most center pivots were initially water-powered, and today most are propelled by electric motors. The center-pivot irrigation system is considered to be a highly efficient system which helps conserve water. And finally it’s a biggest number of big artificial circles all over the Earth.
Diameter of circle 1320 meters
-29.555527, 23.995330
Dishui Lake, Lingang New City, Pudong District, Shanghai, China
Dishui Lake is a landmark project in the main urban area of Shanghai Lingang New City. The main urban area is the urban comprehensive life service area with 5.6 km² Dishui Lake as its center. And Dishui Lake is the existing largest artificial freshwater lake in China. The design concept of the Dishui lake derived from the overall planning program provided by GMP Co., Germany  "a drop of water from the sky fall into the sea with ripple floating layer upon layer"
Diameter of circle 2770 meters
30.899729, 121.936761
The Pearl-Qatar, Doha, Qatar
The Pearl-Qatar  is an artificial island. It is the first land in Qatar to be available for freehold ownership by foreign nationals. As of January 2015, there are 12,000 residents. Once fully completed, The Pearl will create over 32 kilometers of new coastline, for use as a residential estate with an expected 18,831 dwellings and 45,000 residents by 2018. 
Diameter of circle 1180 meters
25.369160, 51.543871
Gemasolar Thermosolar Plant,  Andalucía, Spain
Gemasolar is a concentrated solar power plant with a molten salt heat storage system. It is located within the city limits of Fuentes de Andalucía in the province of Seville, Spain. Gemasolar is the first commercial solar plant with central tower receiver and molten salt heat storage technology. It consists of a 30.5 hectares (75 acres) solar heliostat aperture area with a power island and 2,650 heliostats, each with a 120 square meters aperture area and distributed in concentric rings around the 140-meter-high tower receiver. The total land use of the Heliostats is 195 hectares (480 acres)
Diameter of circle 1560 meters
37.561132, -5.331221
Apple Park, Cupertino, California
Apple Park is the corporate headquarters of Apple Inc., located at 1 Apple Park Way in Cupertino, California, U.S. It opened to employees in April 2017, while construction was still underway. Its research and development facilities are occupied with over 2,000 people. It replaced the original headquarters at 1 Infinite Loop, which opened in 1993. Its circular design and extreme scale have earned a media nickname of 'the spaceship'
Diameter of circle 470 meters
37.334929, -122.008972
"Artificial Circles" series of posters about some man-made circles in the Earth and not only.
All poster has size 5400 x 7200 pix and can be printed on A2 format or 18" x 24" format in 300 dpi quality.
 Do You need a poster? - mail me!
Artificial Circles
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Egor Shtefan

Artificial Circles


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