Bun Thang is a unique and visually appealing noodle soup dish that is popular in Hanoi. It is made with thin rice vermicelli noodles, shredded chicken, thinly sliced omelet, dried shrimp, and various herbs. The dish is typically garnished with fried shallots and served with a light and flavorful broth. Bun Thang is a delicacy in Hanoi and is often enjoyed during special occasions or festivals.