Tang Sui Heng, a popular duck noodles restaurant in Bangkok, has been serving up delicious dishes for over 50 years. Run by the founder's second generation, this family-run joint is known for its signature claypot stewed duck with intestines, blood jelly, and feet. The cozy atmosphere and mouthwatering flavors keep locals coming back for more, making it a must-visit spot for street food enthusiasts looking for an authentic taste of Thailand.