Hello @DungLe and welcome to Connect!
Thank you for sharing. When posting a new topic here on Connect, please do make your post is as descriptive as possible so others know what they are clicking on and can find your post when searching Connect so you can receive answers/comments more quickly. If you are interested to learn more, you can check out What makes a good post?
Since you’re new to the community, you might want to share a bit about yourself and get to know others in our monthly Introduce Yourself topic. You can also read these Tips: Using Local Guides Connect, as well as the Local Guides rules and our Community policy.
By the way I am going to relabel your post and it now appears in the Travel topic section. This way even more people can enjoy it.