Why do we need to bring roasted suckling pig to worship during Qingming Festival?

Hello, when eating suckling pig and other barbecued food during Qingming Festival, the emphasis is on the meaning of "red skin, red and strong", which means that ancestors bless their descendants to be strong and healthy. In the past, suckling pigs were roasted until they had bright red skin, which was crispy and hard. Nowadays, barbecue chefs generally adopt Hong Kong-style cooking methods and produce roasted suckling pigs with sesame skin, which is more fluffy and delicious, and is popular among consumers.