Lemon tea is a classic and refreshing drink that is commonly found in Shenzhen. It is made by steeping tea leaves, usually black tea, in hot water and adding a squeeze of fresh lemon juice. The combination of the tea's robust flavor and the tangy citrus taste of lemon creates a delightful and invigorating drink. Lemon tea can be enjoyed hot or iced, making it a versatile choice for any season.