1. Thoroughly rinse 150 grams of fresh ginger and 50 grams of cinnamon sticks.
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2. In a large pot, combine 2000 grams of water, the rinsed fresh ginger, and the cinnamon sticks. Bring to a boil over high heat, then reduce heat to low and simmer for 30 minutes, ensuring the flavors are well extracted.
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3. Carefully strain the liquid through a fine-mesh sieve into a clean pot, discarding the fresh ginger and cinnamon sticks.
