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The City of Johannesburg (CoJ) is located in the plateau of the South African interior and is best known as the mining city since gold was discovered in the 1880’s.

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Jeonju is a historic city in Korea. As the city where government agencies were located during the Joseon Dynasty, Jeonju became the center of politics, economic, and culture power of the Jeolla area.

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Jeju is a volcanic island created entirely from volcanic eruptions in the past, which is located in East Asia. While known for its beautiful nature, Jeju Island’s inhospitable environments—rough soil and frequent typhoons—have caused islanders to suffer.

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Situated just 40 kilometres from Beirut, Byblos is one of the oldest continuously inhabited cities in the world. It is one of the most visited cities in Lebanon, whose archaeological sites are among the richest and most varied in the region.

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Hoi An is an administrative unit of Quang Nam, a province in Central Vietnam. The City is located 30km South-east of Da Nang City. From 1999 to 2013, the population went from 77, 283 to 90.891 and the city from 5 urban wards to 9 and from 7 communes to and 4.

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Hannover, the capital of Lower Saxony with about 520,000 inhabitants, is amongst the top 15 cities in Germany. It is a "green city" with the largest urban forest in Europe and numerous green spaces on the banks of the Leine river.

1. Context : unified Vietnam and unique Ha Long Bay

Around 90,3 million inhabitants populate Vietnam, situated in the South-East of Asia. Hanoi is the capital of Vietnam since the reunification of North and South Vietnam in 1976.

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Gijón is the most populous city in Asturias, and one of the biggest in northern Spain, with 276,443 inhabitants. In fact, 90% of the population lives in the city centre.

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Gaziantep is located in the south-eastern region of Anatolia in Mesopotamia. The city is one of the oldest continuously inhabited cities in the world. Its history dates back to the Bronze Age and is home to Hittite, Roman, Byzantine, Seljuk and Ottoman layers.

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