Ha Long Bay is a UNESCO World Heritage Site and popular travel destination in Quảng Ninh Province. French tourists visited it in the late 19th century, and named the cave Grotte des Merveilles. There are two bigger islands, Tuan Chau and Cat Ba. The protected area is from the Cai Dam petrol store to Quang Hanh commune, Cam Pha town and the surrounding zone. It has two seasons: hot and moist summer, and dry and cold winter. It is home to 14 endemic floral species and 60 endemic faunal species.