Changdu is a prefecture-level city in Xizang Autonomous Region, China, and there are some local delicacies worth trying:

1. Changdu yak meat: Changdu is one of the main yak producing areas, so yak meat is one of the local specialties. Yak meat is tender and delicious, and can be made into various dishes, such as yak hotpot and yak soup.

2. Camellia oleifera in Changdu: Camellia oleifera is one of the traditional drinks in Tibet, and Changdu is no exception. Buttered tea is a mixture of tea, milk, salt and ghee. It has a unique taste and is a drink that local residents and tourists like to taste.

3. Ciba in Changdu: Ciba is one of the traditional staple foods in Tibet, which is made of highland barley flour and water. Changdu Ciba tastes delicate and delicious, and can be eaten with buttered tea.

4. Changdu special snacks: Changdu also has some special snacks, such as Changdu bait block, Changdu stinky tofu, Changdu grilled fish, etc., which have a unique taste and are worth a try.

To sum up, traditional Tibetan cuisines such as yak meat, butter tea and Ciba are the main features of Changdu cuisine, and there are also some local special snacks worth trying.