The Trang An Tourism Complex in Ninh Binh province was officially included in the UNESCO World Heritage List on June 23, 2014. The eco-tourist attraction, located in the east of Ninh Binh, covers an area of 2000 hectares. The complex is divided into five functional parts: the special protection area (Hoa Lu Ancient Capital), the center, caves area, service and travel area, and the spirit area Bai Dinh Pagoda. The complex includes 47 historical vestiges with many mysterious things, featuring limestone mountains, valleys, and underground river systems. With hundreds of statues, Bai Dinh Pagoda is considered one of the biggest pagodas in Vietnam. The Bai Dinh – Trang An tour in Ninh Binh is very popular for its beautiful landscape and caves.