Nước Dừa, or coconut water, is a refreshing and hydrating drink that is popular in Hanoi. It is made by extracting the clear liquid from young coconuts. Nước Dừa is naturally sweet and has a slightly nutty flavor. It is often served chilled and can be enjoyed straight from the coconut or poured into a glass. Nước Dừa is not only a delicious beverage but also a great source of electrolytes and hydration, making it a popular choice among locals and tourists alike.