Stunning photos: Rise of the megacities

Image: Vehicles drive on flyovers during the evening rush hour in central Shanghai.
Photographs: Aly Song/Reuters

Rapidly growing megacities in Africa and Asia face the highest risks from rising sea levels, floods and climate change, says a global survey by Maplecroft.

A megacity is a metropolitan area with a total population of over 10 million people.

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Stunning photos: Rise of the megacities

Image: Rio de Janeiro.
Photographs: Bruno Domingos/Reuters.

The Christ the Redeemer statue in Rio de Janeiro.

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Stunning photos: Rise of the megacities

Image: Buenos Aires city.
Photographs: Enrique Marcarian/Reuters.

Overview of the Buenos Aires city and its docks in the background during a heavy rainstorm.

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Stunning photos: Rise of the megacities

Image: China World Trade Center Tower.
Photographs: Grace Liang/Reuters.

The China World Trade Center Tower III (C), the tallest building in Beijing.

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Stunning photos: Rise of the megacities

Image: Tokyo's skyscrapers.
Photographs: Issei Kato/Reuters.

Tokyo's skyscrapers are seen from a viewing deck of Tokyo Tower.

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Stunning photos: Rise of the megacities

Image: Buenos Aires.
Photographs: Enrique Marcarian/Reuters.

Overview of Buenos Aires' 9 de Julio Avenue with the Obelisk in the background.

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Stunning photos: Rise of the megacities

Image: Jakarta.
Photographs: Supri/Reuters.

An aerial view of Indonesia's capital city of Jakarta.

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Stunning photos: Rise of the megacities

Image: A high-rise building in Mumbai.
Photographs: Arko Datta/Reuters.

A high-rise building is lit up during construction in Mumbai.

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Stunning photos: Rise of the megacities

Image: Botafogo neighborhood.
Photographs: Reuters.

The Botafogo neighborhood is seen with the famous Sugar Loaf Mountain in the background in Rio de Janeiro.

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Stunning photos: Rise of the megacities

Image: Central district of Mumbai.
Photographs: Arko Datta/Reuters.

An aerial view of a central district of Mumbai.

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Stunning photos: Rise of the megacities

Image: Apartments in Seoul.
Photographs: Truth Leem/Reuters.

Apartment buildings and houses are seen in Seoul.

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Stunning photos: Rise of the megacities

Image: Chinese city of Guangzhou.
Photographs: Tyrone Siu/Reuters.

A general view of uptown in the southern Chinese city of Guangzhou.

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Stunning photos: Rise of the megacities

Image: Kolkata.
Photographs: Jayanta Shaw/Reuters.

Traffic moves during the evening as the Howrah Bridge is lit up in the background in Kolkata.

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Stunning photos: Rise of the megacities

Image: Makati City.
Photographs: Romeo Ranoco/Reuters.

A shanty town is seen in front of the skyline of Manila's financial district of Makati City.

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Stunning photos: Rise of the megacities

Image: Financial area of Pudong in Shanghai.
Photographs: Carlos Barria/Reuters.

The moon is seen over the Oriental Pearl TV tower at the financial area of Pudong in Shanghai.

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Stunning photos: Rise of the megacities

Image: Guangzhou.
Photographs: Tyrone Siu/Reuters.

A general view shows uptown in the southern Chinese city of Guangzhou.

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Stunning photos: Rise of the megacities

Image: Downtown Los Angeles.
Photographs: Eric Thayer/Reuters.

A view of downtown Los Angeles, California.

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Stunning photos: Rise of the megacities

Image: Moscow City business district.
Photographs: Anton Golubev/Reuters.

A view of Moscow's Kremlin, Ministry of Foreign affairs and Moscow City business district.

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Stunning photos: Rise of the megacities

Image: Buenos Aires.
Photographs: Enrique Marcarian/Reuters.

Overview of Buenos Aires' 9 de Julio Avenue with the Obelisk in the background.

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Stunning photos: Rise of the megacities

Image: Downtown Cairo.
Photographs: Asmaa Waguih/Reuters.

A view of the sky line with the Cairo tower (L) and the Nile river is seen in downtown Cairo.

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Stunning photos: Rise of the megacities

Image: Sao Paulo.
Photographs: Alex Almeida/Reuters.

Rain clouds gather over the city of Sao Paulo.

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Stunning photos: Rise of the megacities

Image: Jakarta.
Photographs: Supri/Reuters.

An aerial view of Indonesia's capital city of Jakarta.

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Stunning photos: Rise of the megacities

Image: Midtown Manhattan.
Photographs: Gary Hershorn/Reuters.

A full moon rises behind the skyline of midtown Manhattan in New York.

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Stunning photos: Rise of the megacities

Image: Rio de Janeiro.
Photographs: Ricardo Moraes/Reuters.

A view of the Rio de Janeiro skyline.

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Stunning photos: Rise of the megacities

Image: Makati City Hall.
Photographs: Nicky Loh/Reuters.

A general view of the skyline from the Makati City Hall in Manila.

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Stunning photos: Rise of the megacities

Image: Sao Paulo.
Photographs: Mario Miranda/Reuters.

Storm clouds are seen above the city in Sao Paulo.

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Stunning photos: Rise of the megacities

Image: Sao Paulo.
Photographs: Paulo Whitaker/Reuters.

A general view of Sao Paulo, the biggest Latin America city.

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Stunning photos: Rise of the megacities

Image: Mt. Fuji, is seen through skyscrapers in Tokyo.
Photographs: Yuriko Nakao/Reuters.

Japan's highest mountain, Mt. Fuji, is seen through skyscrapers in Tokyo.

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Stunning photos: Rise of the megacities

Image: Skyline of Manhattan.
Photographs: Gary Hershorn/Reuters.

A full moon rises over the skyline of Manhattan along the Hudson River in New York.

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Stunning photos: Rise of the megacities

Image: Los Angeles.
Photographs: Mario Anzuoni/Reuters.

The Los Angeles downtown skyline is pictured from the Baldwin Hills State Park, California.

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