MARY LOUISE KELLY, HOST: More Americans are rethinking where and how they want to live. Some are heading to Southeast Asia. They're drawn in part by what they're seeing on social media sites like TikTok and YouTube. NPR's Windsor Johnston reports on what's behind the trend and what those videos leave out. WINDSOR JOHNSTON, BYLINE: Just minutes from the beach in Da Nang, a coastal city in central Vietnam, 37-year-old Mia Moore works as a holistic nutritionist.