Fill in each gap with one word from the box
area impact around bay
climate sizes prehistorical found
including years geology cultures
ago center share events
Ha Long Bay is a UNESCO World Heritage site located in Quang Ninh province,
Vietnam. The (1)______________ has thousands of limestone karsts (or limestone
caves) and isles in various (2)______________ and shapes. Ha Long Bay is a
(3)______________ of a larger zone which includes Bai Tu Long bay to the
northeast, and Cat Ba islands to the Southwest. These larger zones
(4)______________ similar geological, geographical, (5)______________ and
cultural characters. Ha Long Bay has an area of (6)______________ 1,553 km 2 ,
including 1,960 islets, most of which are limestone. The core of the bay has an
(7)______________of 334 km 2 with a high density of 775 islets. The limestone in
this bay has gone through 500 million (8)______________ of formation in
different conditions and environment. The evolution of the karst in this bay has
taken 20 million years under the (9)______________ of the tropical wet climate.
The diversity of the environment, climate, (10)______________ and geography in
the area have created biodiversity, (11)______________ tropical evergreen
biosystem, oceanic and seashore biosystem. Ha Long Bay is home to 14 endemic
floral species and 60 endemic faunal species.
Historical research surveys show the presence of (12)______________ human
beings in this area ten of thousands years ago. The successive ancient
(13)______________ are the Soi Nhu Culture around 18,000-7,000 BC, the Cai Bo
Culture 7,000-5,000 BC and Ha Long Culture 3,500-5,000 years
(14)______________. Ha Long Bay also marked important (15)______________
in the history of Vietnam with many artifacts (16)______________ in Bai Tho
Mount, Dau Go Cave, etc.