In Hanoi, a city that is home to 7.7 million inhabitants, 5 million motorcycles flood the streets every single day. This is a staggering number that Hanoi is investing to change. As a rapidly-growing capital and the second most populous city

What should a city do if half of its population cannot access a public service? It sounds like a somewhat outlandish question, but for Bogotá, the capital city of Colombia, this question highlights a frustrating reality. Although the city has

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