As the Hainan Free Trade Port officially launches islandwide special customs operations, China's southernmost island province is drawing global attention with an unprecedented level of openness. In recent years, a growing number of foreigners have chosen to settle in Hainan, many calling it their second home. Our reporter invited two foreign friends living in Hainan to serve as one-day tour guides, helping us to rediscover the island. What exactly has drawn them across the ocean to put down roots here? Follow our camera to find out!