The cleanest cities in the world are Copenhagen, Singapore, and Calgary. These cities are known for their cleanliness and ...

There are plenty of real places around the world whose architecture ... Image caption, The happiest city in the world boasts a vibrant harbour that a famous author called home It’s home to ...

Yes No Italy's capital city needs no introduction. Home to ancient sights like the Colosseum, the Roman Forum and the Pantheon, Rome awes tourists with its long list of world-famous landmarks.

All but one of the world’s top 20 most polluted cities last year ... 26, who lives in the city of around 70,000, told CNN. She blamed factories around the town and a booming construction ...

If the sea levels were to rise as much as NASA estimates, parts of or all of these massive cities ... top of land historically dominated by swampland. There are also 13 rivers running through the ...