![How astronaut Chris Hadfield showed Berlin's ongoing struggle for unification | Berlin Wall | The Guardian How astronaut Chris Hadfield showed Berlin's ongoing struggle for unification | Berlin Wall | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/About/General/2013/4/19/1366394664437/Colonel-Chris-Hadfields-p-011.jpg?width=465&quality=45&auto=format&fit=max&dpr=2&s=64c88f0e238c54a4ec9be568c4aae508)
How astronaut Chris Hadfield showed Berlin's ongoing struggle for unification | Berlin Wall | The Guardian
![445755 trees, urban, building, traffic lights, street light, Berlin, road, cityscape, street, light trails, night, city, lights - Mocah HD Wallpapers 445755 trees, urban, building, traffic lights, street light, Berlin, road, cityscape, street, light trails, night, city, lights - Mocah HD Wallpapers](https://mocah.org/mocahbig/445755-night-road-light-trails-lights-street-urban-city.jpg)
445755 trees, urban, building, traffic lights, street light, Berlin, road, cityscape, street, light trails, night, city, lights - Mocah HD Wallpapers
![File:Berlin - Laterne an der Marchbruecke (Street Lamp on March Bridge) - geo.hlipp.de - 31939.jpg - Wikimedia Commons File:Berlin - Laterne an der Marchbruecke (Street Lamp on March Bridge) - geo.hlipp.de - 31939.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/0/0e/Berlin_-_Laterne_an_der_Marchbruecke_%28Street_Lamp_on_March_Bridge%29_-_geo.hlipp.de_-_31939.jpg)
File:Berlin - Laterne an der Marchbruecke (Street Lamp on March Bridge) - geo.hlipp.de - 31939.jpg - Wikimedia Commons
![Increasing energy efficiency: SPIE modernises the street lighting along Berlin's Karl-Marx-Allee | SPIE Increasing energy efficiency: SPIE modernises the street lighting along Berlin's Karl-Marx-Allee | SPIE](https://www.spie.com/sites/www.spie.com/files/styles/1440x960/public/2021-01/pm_10135_53_53434-nbp5ajo2by.jpg?itok=PAqxspd6)
Increasing energy efficiency: SPIE modernises the street lighting along Berlin's Karl-Marx-Allee | SPIE
![Berlin from space. You can still see the difference between former East (yellow street lights) and West Berlin (blue-ish street lights). - 9GAG Berlin from space. You can still see the difference between former East (yellow street lights) and West Berlin (blue-ish street lights). - 9GAG](https://img-9gag-fun.9cache.com/photo/a6b5R79_460s.jpg)
Berlin from space. You can still see the difference between former East (yellow street lights) and West Berlin (blue-ish street lights). - 9GAG
![The wonderful gas lamps of Berlin – the world's largest gas lighting network – urban75: art, photos, walks The wonderful gas lamps of Berlin – the world's largest gas lighting network – urban75: art, photos, walks](http://www.urban75.org/blog/wp-content/uploads/2014/06/gas-lamps-berlin-germany-2.jpg)
The wonderful gas lamps of Berlin – the world's largest gas lighting network – urban75: art, photos, walks
![Berlin city lights at night. Road traffic at a traffic light crossing. Berlin, Germany Stock Photo - Alamy Berlin city lights at night. Road traffic at a traffic light crossing. Berlin, Germany Stock Photo - Alamy](https://c8.alamy.com/comp/HX36YE/berlin-city-lights-at-night-road-traffic-at-a-traffic-light-crossing-HX36YE.jpg)
Berlin city lights at night. Road traffic at a traffic light crossing. Berlin, Germany Stock Photo - Alamy
![Berlin Prenzlauerberg,street view .Historic old street lamp,old apartment buildings and blue sky Stock Photo - Alamy Berlin Prenzlauerberg,street view .Historic old street lamp,old apartment buildings and blue sky Stock Photo - Alamy](https://c8.alamy.com/comp/M4TX5G/berlin-prenzlauerbergstreet-view-historic-old-street-lampold-apartment-M4TX5G.jpg)
Berlin Prenzlauerberg,street view .Historic old street lamp,old apartment buildings and blue sky Stock Photo - Alamy
![You Can Still See the Division of East and West Berlin from Space | Office for Science and Society - McGill University You Can Still See the Division of East and West Berlin from Space | Office for Science and Society - McGill University](https://www.mcgill.ca/oss/files/oss/styles/hd/public/high_pressure_sodium_lamps.jpg?itok=GVEOJH6t×tamp=1527709138)