vietnamese people and foreign traveler travel visit and amazing boat tour trip tam coc bich dong or halong bay on land and ngo

activity adventure asia asian attraction bay beautiful bich binh boat canoe cave coc culture destination dong environment exotic famous halong hanoi holiday idyllic indochina journey kayak lake landmark long mountain natural nature ninh paddle recreation river rowboat rowing scenery scenic sightseeing stream tam tourism tourist traditional trang travel trip vacation vessel vietnam vietnamese