Click the following address https://cuocthi.phongnhakebang.vn, choose the box “Join the contest”,  click the box “Continue” to fill in the blank. Then answer 4 key questions and the sub-question, you enter the display code and click the box “Complete the contest”. It only takes 3 minutes to complete all. You can use smart phones, tablet, laptop, personal computer with different browsers to access the page https://cuocthi.phongnhakebang.vn. Contestants not only have the chance to win valuable prizes (128 prizes) but also contribute to promote the image of Vietnam to the world, jointly preserve and promote the value of World Natural Heritage Phong Nha – Ke Bang National Park.

For more detailed of  rules, click: https://cuocthi.phongnhakebang.vn/rules

For more detailed of  prizes, click:  https://cuocthi.phongnhakebang.vn/home

Destinations listed in the prizes, click: https://www.youtube.com/channel/UCWH4F0ebYl6S4JKQm0aSx1A?view_as=subscriber