Cites shows interesting geographical pattern at night. International Space Station provides us with up to date images of cities after sunset. The images send by Col. Chris Hadfield, a Canadian astronaut who was the first Canadian to walk in space.Chris Hadfield a former Royal Canadian Air Force fighter pilot, now spending more than three months in the space station. By comparison we will find out that most European cities show a eccentric, circular pattern and cites along rivers and seas show a linear pattern. In coastal cities, settlements follow the coast lines and in arid and semi arid regions cities follow the river courses and water supplies. Cities like Seoul and Pyongyang the city's lights reflect their economic and industrial development and energy consumption under two different political system. Developed countries shows higher consumption of energy and their cities are sparkling at night.New part of the cities shows a more organized distribution of light which imply to better urban plan and architecture.
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| Beijing The total population Including suburbs as of 2012 was 20,693,000. |
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| Calgary, Canada |
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| Brussels |
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| England, Ireland and Northern light in distance (Aurora) |
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| Dublin |
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| Dhahran ,Saudi Arabia |
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| Nile and its delta along Mediterranean sea to the right |
