Illustrative image (Photo: originvietnam)

It is also known as 'No Wave Bay', nestled80km to the south of Hanoi, and boasting the Red River Delta's largestwetland with mirror-like tranquil water.

Located in the north of Gia Vien district, thewetland reserve, dotted with spectacular islands and caves, was created bya 30km flood-prevention dyke hugging the left bank of Da River.

At 60,000 VND (2.6 USD) per person (maximum twopassengers per boat), an hour-long, guided row across this 3,500-hectare lagoonwill make clear the origins of its nickname. 

This popular Ninh Binh destination holds twonational records, one for the biggest group of Delacour's langurs, acritically endangered species at home and abroad, and the other as the"largest picture of nature"./. VNA