What can I drink to loosen mucus in my lungs?

Can you tell me what beverages might be effective in helping to loosen mucus in my lungs? I've been feeling congested and am looking for natural remedies to alleviate my symptoms. Are there any teas, warm liquids, or other drinks that are commonly recommended for this purpose? Additionally, are there any specific ingredients or herbs that I should look for when choosing a beverage to help clear my lungs? I appreciate your advice and any recommendations you may have.