A dark oolong tea that only grows in the rocky soil of China's Wuyi Mountains, this drink's legendary robust sweetness and lingering woody notes make it special. While reasonably good quality tea not from original trees can be bought for around £79 ($100) per kilogram (2.2lbs), aged and antique versions can reach eye-watering prices. Back in 2002, a collector was willing to shell out £17,107 ($28,00) for only 20g (0.7oz) of tea from one of the original mother trees, meaning a kilogram (2.2lbs) would cost around £885,350 ($1.11m).
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