The Rosewood Resort – Admire This Unique Design Project By AB Concept – The Hong Kong-based design studio AB Concept designed the interior for China’s first Rosewood Resort, that opened in Sanya’s Haitang Bay in August 2017. Situated on Hainan Island, the modern resort has been designed by Ed Ng and Terence Ngan, co-founders of AB Concept, and is inspired by the tranquility of the South China Sea.