Thailand’s growing connectedness is becoming a draw. Infrastructure investment has helped connect Thailand to its neighbors via highways, making it a well-located home base for doing business in neighboring China, Laos, Cambodia, Vietnam, Myanmar and Malaysia. A high-speed rail network that reaches as southern China is due to open by 2022, and Bangkok’s Suvarnabhumi Airport , already Asia’s sixth-busiest , is in the midst of a $2 billion facelift to handle 60 million annual fliers by 2017.