Tahitian black-cultured pearls are highly valued because of their rarity. They can never be mass produced because only one pearl can be grown at a time inside the oyster, and the water needs to be crystal clean. ⠀
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Most oysters have a glossy white or sil
[Today’s guests]
Welcome to #trainhostelhokutosei from all over the world! We enjoy talking with them and taking photos:) The guy who is from #Sweden have traveled more than 20 countries and show us many beautiful pictures! Tokyo is getting warm nowadays!