me on the roof, even though there was nothing there.Before, bird droppings would often fall on the roof. Ever since Li Chen discovered that the crested lark loves to fly in the open and dislikes being...hings valuable"Li Chen said with a smile: “Even the best things become common once they are overabundant. Five taels of silver is not cheap, and it’s not easy to consume this thing. It needs to be use...