Choose the letter A, B, C or D to complete the passage below

Trang An in Ninh Binh is a charming and (1) ______________ site in Viet Nam. The whole picture of Trang An has limestone mountains, forests and golden rice fields. The valleys here are amazingly beautiful like colourful carpets. There are (2) ______________ running along these valleys, reflecting the blue sky above. Making boat trips is a perfect way to fully enjoy the (3) ______________ here. There are also tens of wonderful natural caves that you should (4) ______________ on foot. Many world (5) ______________ call Trang An “Ha Long Bay on the land”.

Trang An in Ninh Binh is a charming and (1) ______________ site in Viet Nam.