How a rare bean is revolutionizing coffee tastes in the Ivory Coast

Rachel Wood, CNN, and Sarah Masiyiwa, for CNN

Updated 1037 GMT (1837 HKT) November 19, 2018

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<strong>Melbourne, Australia:</strong> Coffee culture is so ensconced here that you can take a cafe culture walk with Hidden Secrets Tours.
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Melbourne, Australia: Coffee culture is so ensconced here that you can take a cafe culture walk with Hidden Secrets Tours.
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<strong>Rome, Italy:</strong> Roman cafes have been accused of resisting modern techniques. But the capital is still home to the nation's best coffee.
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Rome – Rome, Italy: Roman cafes have been accused of resisting modern techniques. But the capital is still home to the nation's best coffee.
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<strong>Singapore:</strong> Creative latte art deserves to be Instagrammed -- and is one of the trademarks of a coveted cafe in Singapore.
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Singapore – Singapore: Creative latte art deserves to be Instagrammed -- and is one of the trademarks of a coveted cafe in Singapore.
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<strong>Vienna, Austria: </strong>UNESCO listed Vienna's traditional coffee houses as an Intangible Heritage in 2011 -- nowadays, more modern espresso cafes are on the rise.
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Vienna, Austria – Vienna, Austria: UNESCO listed Vienna's traditional coffee houses as an Intangible Heritage in 2011 -- nowadays, more modern espresso cafes are on the rise.
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<strong>London, England</strong>: It's better known for tea time, but espresso-focused cafes have been popping up in earnest across London since the 1990s.
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London – London, England: It's better known for tea time, but espresso-focused cafes have been popping up in earnest across London since the 1990s.
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<strong>Reykjavik, Iceland:</strong> Local coffee houses flourish in the Icelandic capital -- Kaffitar is the closest thing to a chain in Reykjavik.