CGTN's "A Decade of Change" series recounts the remarkable changes in Chinese provinces, municipalities and autonomous regions over the past 10 years. This episode focuses on south China's Guangxi Zhuang Autonomous Region. With an area of 237,600 square kilometers, Guangxi is inhabited by 57 million people of various ethnic groups. It's third in national rankings for forest coverage and biodiversity richness. Guangxi's mangrove forests cover 9,330 hectares, ranking second in China.