San Francisco December 15, 2019 11:33 am Inside Thanh Long: One of San Francisco's Oldest Vietnamese Restaurants Chef Helene An, also known as “Mama An,” cooks her popular “Shaken Beef” dish at Thanh Long, one of the oldest Vietnamese restaurants in San Francisco. Check out the recipe. US & World Videos 7:41 Bay Area Culinary Icon Cecilia Chiang Dies at 100 3:58 See How a ‘Master of Shaping' Makes a Surfboard 0:42 “I've been an advocate ever since I was 7-Years-Old,” Big Wave Surfer Bianca Valenti Leads the Fight in Gender Equality and Wins 2:28 Mavericks Surf Rescuer Volunteers Time to Save Lives 0:43 “What is the thing you like to do the most,” Pioneer Jeff Clark Explains What it is Like Riding a Big Wave at Mavericks